Blue French Bulldogs – Everything You Need To Know!

Blue French Bulldogs (AKA Mouse Frenchies or Mouse Gray Frenchies) are a trending French Bulldog coat color that is medium gray with a blue tinge. Their beautiful coat color paired with their striking blue or green eyes makes them highly sought after, fetching really high prices!

If you are interested in Blue Frenchies keep reading this article to find out the all the answers to your questions about this dog breed!

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Table of Contents

What Are Blue French Bulldogs?

Blue French Bulldogs are a rare coat color that is the result of the dog carrying the recessive dilute gene that lightens their black coat to a blueish gray color. This coat color is also referred to as “mouse” or “mouse gray”.

What Do Blue French Bulldogs Look Like?

Blue French Bulldogs are a stocky and compact dog with a barrel like body, a squished face and pointed bat shaped ears. They have a sleek coat that is a blue tinged gray color and often have blue or green eyes.

Read Also: 21 Facts You Need To Know Before Getting A French Bulldog

blue french bulldog
Blue French Bulldog

Blue French Bulldog Size

How Big Do Blue French Bulldogs Get?

A fully grown Blue French Bulldog will get to 11 to 12 inches (27.9cm to 30.5cm) tall. Female Blue French Bulldogs weigh between 16 and 24 pounds (7.3kg to 10.9kg) while males weigh between 20 and 28 pounds (9.1kg to 12.7kg).

Blue French Bulldog Eye Color

blue french bulldog
Example of Blue Eyes

Do Blue French Bulldogs Have Blue Eyes?

Yes, many Blue French Bulldogs have blue eyes that can range from a light blue to bright blue to a dark grayish blue.

Do Blue French Bulldogs Have Green Eyes?

Yes, some Blue French Bulldogs have green eyes however this is much rarer than blue eyes. It is more common for Isabella/Lilac French Bulldogs to have green eyes than Blue French Bulldogs.

Blue French Bulldog Breeders

If you are looking for a French Bulldog breeder, consider PuppySpot where you can use our discount code for $300 dollars off any dog! Check out the adorable Goldendoodle puppies that are currently available here!

PuppySpot is a dog adoption website that connects breeders with prospective pet owners. They have a zero tolerance policy for puppy mills which is why they screen every breeder annually! They have placed over 200,000 puppies in homes and offer various trusted, USDA-certified transportation options to deliver your puppy to your home safely! You won’t regret having a look at their Frenchie puppies here as they are so cute!

Read Also: Merle French Bulldogs – Everything You Need To Know

Blue French Bulldog Temperament

Blue French Bulldogs have an extensive history as a companion dog making them a super affectionate and friendly dog breed. These dogs are a great first dog owners breed as they are kid friendly, dog friendly and great for families. They are also a good breed for apartment living due to their small size and low energy and exercise requirements.


Why Are They Called Blue French Bulldogs?

Blue French Bulldogs are called “Blue” because their gray coat has a blueish tinge to it. Additionally, this color coat of French Bulldogs also often have blue eyes.

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blue french bulldog
Blue French Bulldog

Blue French Bulldog Kennel Club Recognition

Are Blue French Bulldogs Recognized By The AKC?

No, Blue French Bulldogs are not recognized by the AKC because they are not an official breed coat color. The breed standard was introduced in 1911 stating that brindle, fawn, white, brindle and white are approved. The following colors are listed as disqualified including, mouse (blue), solid black, liver, black and tan as well as black and white.

Why Are Blue French Bulldogs Disqualified?

The blue coat color of French Bulldogs is disqualified because it is not accepted by the official breed standard. It is considered a fad color. The reason why they disqualify this color is to preserve the breed standard and to protect the work of responsible breeders who adhere to the breed standard.

Many people who breed fad colors such as blue are motivated by greed as these rare colors sell for very high prices. These breeders intentionally spread color genes that are unacceptable through the gene pool which causes problems for reputable breeds who are aim to produce quality French Bulldog puppies.

Blue French Bulldog Coat Color Statements by Kennel Clubs Worldwide

Note: “mouse” or “mouse gray” is another name for a blue coat.

  • Australian National Kennel Council: “Tan, mouse and grey/blue highly undesirable.”
  • Canadian Kennel Club: “Disqualifications… black and white, black and tan, liver, mouse or solid black”
  • Federation Cynologique Internationale (FCI): “Disqualification: Colour of coat black and tan, mouse grey, brown.”
  • New Zealand Kennel Club: “Very Serious Faults: Colour of coat black and tan, mouse grey, brown.”
  • The Kennel Club (UK): “Tan, mouse and grey/blue highly undesirable.”

Can You Show Blue French Bulldogs?

No, you cannot show a Blue French Bulldog because their coat color is an instant disqualification. The purpose of showing is for judges to examine a French Bulldog and place them according to how closely each dog compares to the “perfect” French Bulldog as described in the breed’s official standard.

Read Also: White French Bulldogs – Pictures, Facts, FAQs & More

blue frenchie with gray eyes
Blue French Bulldog

Blue French Bulldogs Genetics

A Blue French Bulldogs has B locus B/B or B/b and dilute genes d/d or d2. The B locus determines coat color which in the case of a Blue French Bulldog is originally black. The D locus is what determines if a Frenchie is fully colored or diluted.

The D Locus (dilute genes)

The D Locus controls the intensity of eumelanin pigment (black coat color in Blue Frenchies) as well in the pigement their eyes and noses. The two alleles on this locus are D and d. Eumelanin dilution is a recessive trait so only a d/d dog will be dilute and a D/d dog will be a carrier.

  • D is non-dilute and d is dilute
  • Only d/d dogs are dilute
  • D/d dogs are carriers and will have normal pigmentation

Why Do Blue French Bulldogs Have A Diluted Coat?

Blue French Bulldogs have a diluted coat because their melanophilin gene is mutated. Melanophilin is responsible for transporting and fixing melanin containing cells. When it is mutated, it results in an improper distribution of cells in the dog’s coat.

Can Blue French Bulldogs Change Color?

No, Blue French Bulldogs do not change their coat color. The only change that may occur when they are a puppy is coat color lightening. For example, a Blue French Bulldog may look black when born but then over the next few weeks of their lives will develop a blue hue.

What Is The Difference Between Blue and Lilac French Bulldogs?

A Blue French Bulldog is a diluted black color coat dog while a Lilac French Bulldog is a diluted chocolate color coat dog. After birth, a Blue French Bulldog will have a dark colored nose while a Lilac French Bulldogs will have a pink nose. Additionally, as Lilac French Bulldogs mature their coat color will drastically lighten while a Blue French Bulldog’s coat color will remain the same.

*Pro Tip: If you want to know about the genetics of your dog, take a dog DNA test. One of the best DNA tests on the market today is the Embark Vet Dog DNA Test (Get 10% off Two Kits With Code MULTIPACK2)

Read Also: Lilac French Bulldogs – Everything You Need To Know

Images Of A Lilac vs Blue French Bulldog

Read Also: Everything You Need To Know About Lilac French Bulldogs

Are Blue French Bulldogs Unhealthy?

Color dilute dogs such as Blue French Bulldogs are more susceptible to health issues such as color dilution alopecia which is a genetic recessive inherited condition that causes patches of hair loss or thinning as well as flaky or itchy skin.

Just like all French Bulldogs, Blue French Bulldogs are a brachycephalic breed so they have a risk of obstructed airways, narrow nostrils, overheating and dental problems.

Are Blue French Bulldogs Rare?

Yes, Blue French Bulldogs are very rare. The dilute gene that causes their unique coloration is a relatively rare gene. While Blue French Bulldogs are rare, the variation called Blue Merle is even rarer!

Read Also: French Bulldog Size Guide (Micro, Teacup, Toy, Mini & Standard)

french bulldog with blue eyes
French Bulldog with Blue Eyes

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The Cost Of Blue French Bulldogs

How Much Are Blue French Bulldogs?

As Blue is a rare French Bulldog color they can sell anywhere from $4000 to $7000USD dependant on the breeder and litter size. If the puppy is a well documented pedigree, you can expect them to be on the higher price range.

Are Blue French Bulldogs More Expensive?

Yes, Blue French Bulldogs are more expensive than other French Bulldog coat colors as they are so rare.

Why Are Blue French Bulldogs So Expensive?

The reason why Blue French Bulldogs are so expensive is because they have small litter sizes and need to have caesareans for birth. Additionally, the Blue coat color is rare and the general rule is that the rarer the coat color, the more expensive the dog.

The Cost Of Owning A Blue French Bulldog

During your Blue French Bulldog’s life you are going to encounter many costs including vet bills, food, flea and tick tablets, toys and the cost of other dog supplies (collars, leads, harnesses, beds, dog seat belts etc.) Some people also opt to get pet insurance for their French Bulldog. It costs a few thousand dollars a year to own a Frenchie.

Read Also: Teacup French Bulldog – The Truth About This Mini Breed.

blue french bulldog
Blue French Bulldog

Life Span

How Long Do Blue French Bulldogs Live?

Blue French Bulldogs live for 9 to 12 years. However diet, genetics, lifestyle and exercise can greatly impact upon their lifespan. Unfortunately Frenchies are prone to a wide range of health concerns that not only affects their lifespan but also the quality of their lives and Blue French Bulldogs are susceptible to even more health issues than other colors.

Shedding, Skin Problems & Hypoallergenic Facts

Are Blue French Bulldogs Hypoallergenic?

No, Blue French Bulldogs are not hypoallergenic. They are a short haired breed that sheds a lot and produces a significant amount of dander (flakes of skin) that agitates allergy suffers. Blue French Bulldogs are also susceptible to color dilution alpecia that sometimes causes flaky skin which makes them even more unsuitable for allergy sufferers.

Do Blue French Bulldogs Shed?

Yes, Blue French Bulldogs shed. Nevertheless, owners can reduce how much their Frenchie sheds by brushing them weekly with a soft bristle brush. Giving your French Bulldogs a bath every 1-2 months will also dislodge loose hairs and reduce shedding.

Do Blue French Bulldogs Have Skin Problems?

Yes, Blue French Bulldogs are likely to suffer from color dilution alpecia (CDA). This skin problem causes flaky skin and patches of hair loss or thinning. If it does develop it usually happens between 4 months and 2 years of age.

blue frenchie
Blue Frenchie Puppy

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How To Care For A Blue French Bulldog


French Bulldogs are prone to weight gain so their diet needs to be closely monitored. As they are a smaller breed so they have a naturally fast metabolism, meaning that they need more calories per pound/kilogram of weight in comparison to larger dog breeds. Nevertheless, they are a low-energy breed that has lower exercise requirements that puts them at a high risk for weight gain and obesity.

Frenchie’s diet should include high quality animal protein such as beef, poultry or fish. Due to their short muzzle, French Bulldogs are recommended to eat a diet for small breeds that helps them pick up their food and encourage chewing.

What To Look For When Selecting Food

  • No fillers, byproducts or artificial additives
  • Low fat content that includes omega-3
  • Moderate calorie content
  • Lean protein e.g. fish or poultry
  • Nutritionally balanced

Avoiding Skin Issues

French Bulldogs are prone to skin issues, especially Blue French Bulldogs so it is recommended that their diet has the correct ratio of omega-6 and omega-3 fatty acids to support their skin.

Pro Tip: As they are prone to weight gain, owners should avoid feeding their Frenchie table scraps and too many treats.


Blue French Bulldogs require an hour of exercise daily. As they are a brachycephalic (flat face) breed, exercise needs to be closely monitored as they can have severe breathing problems.

It is suggested that French Bulldog owners do short, low intensity walks. You can break up the hour of exercise into 2 daily walks. Another exercise idea is to let your Frenchie play off lead. If you do go to the dog park, make sure it is early in the morning or later in the day when it is not so hot.

Another aspect of dog ownership that many people forget about is mental exercise. French Bulldogs are an intelligent breed so they need to be mentally stimulated to prevent destructive and bad behaviours from developing out of boredom. Make sure that your Blue French Bulldog has a range of interesting dog toys to play with. Interactive toys such as treat dispensing ones, puzzle toys or automatic ball launcher toys are a great idea.

Our Top Dog Toy Picks: Your Dog Will Love These!

Read Also: Dog Bed vs. Dog Crate – Where Should Your Dog Sleep?



French Bulldogs benefit from weekly brushing to remove the loose or dead coat. A rubber grooming mitt/brush is very suitable for their shot, fine hair. Brushing is also beneficial as it will keep their coat shiny and healthy. It will also prevent large amount of hair ending up on your floor every day.


How often you should bathe a dog is a commonly disputed topic. Some people say you should wash a Frenchie every month or every second month while others say do it whenever it seems necessary. Whatever you do, make sure that you don’t wash your dog too frequently as it can result in a dry coat and skin problems.

While you wash your Frenchie, you can use a dog shampoo. If your Blue French Bulldog has sensitive skin, you can use a hypo-allergenic shampoo from a pet store or from a vet recommendation.

French Bulldogs have very sensitive eyes so it is very important to avoid getting soaps and shampoos near their face. Nevertheless, they have many wrinkles and flaps around their nose and eyes which are prone to trapping dirt. It is important to keep these areas clean otherwise your Frenchie could get a yeast infection. Many French Bulldog owners use dog facial cleaning wipes to clean their dog’s face.

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blue french bulldog
French Bulldog


Blue French Bulldogs can be stubborn when it comes to training so it is vital that training starts as early as possible, ideally around the age of eight weeks. The main areas of training to focus on is potty training, socialisation, crate training and basic tricks.

Positive reinforcement is the best method of training for French Bulldogs. It is widely known that they are very food driven so treat rewards is the best option!

Potty Training

The best way to potty train a Blue French Bulldog is to:

  1. Take your Frenchie outside to the spot you want them to go
  2. While at this spot say “go potty”
  3. Wait for your French Bulldog to wee or poop
  4. Once they have done their business praise and reward them with a treat
  5. Make sure you take your Frenchie out 5 to 10 minutes after meals
  6. Keep repeating this process until they go outside to relieve themselves independently

Crate Training

The best way to crate train a Blue French Bulldog is to:

  1. Introduce your Blue French Bulldog to the crate. Let them sniff it and walk around the outside.
  2. Encourage your Frenchie to enter the crate. You may need to put a treat inside the crate to encourage them.
  3. Let your Frenchie explore the crate with the door open.
  4. Try closing the crate door and reward your French Bulldog with treats.
  5. Work up to closing the crate door for longer periods of time and then leaving the room and returning.
  6. Keep increasing the time interval your French Bulldog is in the crate until they are comfortable in it for longer periods of time unattended

Crate Recommendation: Diggs Revol Dog Crate

The Revol Dog Crate is a highly unique design that has been inspired by baby industry quality standards through it’s incorporation of diamond shaped mesh pattern that prevents injury to paws and jaws. Additionally, it is travel friendly as it is collapsible with a carrying handle and wheels and perfect for puppies as it includes a puppy divider and multiple door options!

Find Out The Current Price On Digg’s Here

Blue French Bulldogs Names

Read Also: Everything You Need To Pack For The Car Ride Home With Your New Puppy

Breed Summary Table

Blue French Bulldog Characteristics

Further Reading

  • 21 Facts You Need To Know Before Getting A French Bulldog
  • Everything You Need To Know About Merle French Bulldogs
  • Lilac French Bulldogs – Everything You Need To Know
  • Merle French Bulldogs – Everything You Need To Know
  • French Bulldog Size Guide (Micro, Teacup, Toy, Mini & Standard)
  • White French Bulldogs – Pictures, Facts, FAQs & More
  • 12 Must Have Car Accessories For Dog Owners

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