The Four Colours of the Cavalier King Charles Spaniel
The Four Colours of the Cavalier: History, Genetics, Breed Standards and the Famous Blenheim Spot
One of the most distinctive and beloved features of the Cavalier King Charles Spaniel is its beautiful range of coat colours. Unlike many breeds that are recognised in numerous colour varieties, the Cavalier King Charles Spaniel has only four officially recognised colours worldwide. These colours have been preserved throughout the breed's development and remain an important part of the breed standard today.
The four recognised colours are:
Blenheim
Tricolour
Black and Tan
Ruby
These colours are recognised by major kennel clubs around the world, including The Kennel Club (United Kingdom), the Fédération Cynologique Internationale (FCI), the American Kennel Club (AKC), and Dogs Australia. Any colour or colour combination outside these four recognised patterns is considered incorrect according to the breed standard.
While the colours differ in appearance, all Cavaliers should exhibit the same essential breed characteristics: a gentle expression, elegant proportions, silky coat, affectionate temperament, and graceful movement. Colour should never outweigh health, temperament, structure, or breed type when evaluating a Cavalier.
The Genetics Behind Cavalier Colours
The four recognised colours arise from combinations of two primary pigment colours:
Eumelanin (black pigment)
Phaeomelanin (red pigment)
The interaction of various genes controls whether a Cavalier appears solid red, black with tan points, or carries white markings.
The breed's colour genetics are relatively straightforward compared with many other breeds, and all four recognised colours have existed within the breed for centuries. Historical paintings of toy spaniels from the sixteenth, seventeenth and eighteenth centuries depict dogs displaying colour patterns that closely resemble those seen in modern Cavaliers today.
Blenheim
Blenheim is the most recognised and arguably the most iconic Cavalier colour.
The breed standard describes Blenheim as:
"Rich chestnut markings well broken up on a pearly white ground."
The chestnut markings should be clear and evenly distributed over a white background. The ears are chestnut and frame the face, while a broad white blaze extends between the eyes.
The name "Blenheim" originates from Blenheim Palace, the ancestral home of the Dukes of Marlborough in Oxfordshire, England. During the eighteenth century, the Marlborough family became well known for breeding red-and-white toy spaniels, and these dogs eventually became associated with the estate itself.
Today, Blenheims are the most commonly seen colour worldwide and are often considered the classic Cavalier appearance.
The Famous Blenheim Spot
One of the most cherished features found only in some Blenheim Cavaliers is a small chestnut-coloured spot located centrally on the white blaze between the ears.
This marking is known as:
The Blenheim Spot
The Lozenge
The Duchess Thumb Print
According to breed legend, Sarah Churchill, Duchess of Marlborough, was anxiously awaiting news of her husband, John Churchill, the First Duke of Marlborough, during the Battle of Blenheim in 1704.
As the story goes, while waiting for word from the battlefield, the Duchess repeatedly pressed her thumb onto the forehead of a pregnant spaniel resting in her lap. When news arrived that the Duke had achieved victory, the spaniel later gave birth to puppies displaying a small chestnut mark exactly where the Duchess's thumb had rested.
While there is no historical evidence proving the story, it remains one of the most enduring and beloved legends within the Cavalier world. The marking is considered a charming feature but is not required by the breed standard.
Many excellent Blenheims do not possess a Blenheim Spot, and dogs should never be judged more favourably solely because they have one.
Tricolour
The Tricolour Cavalier combines black, white, and tan markings.
The breed standard describes Tricolour as:
"Black and white well spaced, broken up, with tan markings over the eyes, on cheeks, inside ears, inside legs and on underside of tail."
The black markings should appear on a white background, with clearly defined tan points in specific locations.
The name "Tricolour" simply refers to the presence of three colours:
Black
White
Tan
The tan markings are particularly important because they create the characteristic Cavalier expression. These tan points should be rich in colour and clearly visible.
Historically, tricolour toy spaniels were highly prized among European nobility and appear frequently in paintings from the seventeenth and eighteenth centuries.
Black and Tan
The Black and Tan Cavalier is one of the oldest colour varieties and has strong historical connections to the original toy spaniels favoured by British royalty.
The breed standard describes Black and Tan as:
"Raven black with tan markings over eyes, cheeks, inside ears, on chest, legs and underside of tail."
There should be:
A rich black coat
Bright tan markings
No white markings whatsoever
The name is entirely descriptive, referring to the two colours present in the coat.
Many historians believe that black and tan toy spaniels were among the favourites of King Charles II, whose devotion to toy spaniels ultimately gave the breed its name.
The rich contrast between the glossy black coat and vibrant tan points creates an elegant and striking appearance.
Ruby
The Ruby Cavalier is the simplest of all four colour varieties.
The breed standard describes Ruby as:
"Whole-coloured rich red."
A Ruby should be a solid, rich red throughout the coat with no white markings. The name "Ruby" comes from the resemblance of the coat colour to the deep red gemstone of the same name.
Although genetically related to Blenheims, Rubies lack the white spotting pattern that produces the white areas seen in Blenheim dogs.
Historically, Ruby Cavaliers have often been less common than Blenheims, making them particularly attractive to enthusiasts who appreciate their striking, uniform colouring.
The ideal Ruby displays a rich, lustrous red coat with excellent pigmentation and dark, expressive eyes.
Why Only Four Colours Are Recognised
The Cavalier King Charles Spaniel breed standard has preserved these four colours because they represent the historical colour patterns found in the breed's ancestors.
Breed standards exist to maintain consistency and preserve the characteristics that define a breed. While colour alone does not determine quality, maintaining the traditional colour varieties helps preserve the breed's historical identity.
Dogs displaying colours outside these recognised patterns may occur occasionally through genetic variation, but they are not accepted within the breed standard and are generally not eligible for exhibition in conformation competition.
Colour Does Not Determine Quality
Although owners often have personal preferences for one colour over another, no recognised colour is considered superior to any other.
A well-bred Cavalier should first and foremost possess:
Sound health
Excellent temperament
Correct breed type
Good structure
Proper movement
Breed-standard characteristics
Whether a Cavalier is Blenheim, Tricolour, Black and Tan, or Ruby, the breed's hallmark qualities remain the same: affection, gentleness, elegance, and companionship.
The four recognised colours of the Cavalier King Charles Spaniel represent centuries of breed history and tradition. From the iconic Blenheim with its famous Duchess Thumb Print legend to the striking elegance of the Black and Tan, the rich beauty of the Ruby, and the classic symmetry of the Tricolour, each colour contributes to the breed's enduring appeal.
Although colour is one of the first features people notice, it is only one small part of what makes a Cavalier special. The breed's loving temperament, gentle nature, and devotion to people remain far more important than the colour of its coat. The preservation of all four recognised colours ensures that future generations can continue to enjoy the diversity, history, and beauty that have defined the Cavalier King Charles Spaniel for centuries.
References
American Kennel Club. (n.d.). Cavalier King Charles Spaniel breed information. https://www.akc.org/dog-breeds/cavalier-king-charles-spaniel/
Dogs Australia. (n.d.). ANKC breed standards. https://dogsaustralia.org.au/
Fédération Cynologique Internationale. (n.d.). FCI Standard No. 136: Cavalier King Charles Spaniel. https://www.fci.be/en/nomenclature/CAVALIER-KING-CHARLES-SPANIEL-136.html
The Cavalier King Charles Spaniel Club. (n.d.). Breed history and breed information. https://www.thecavalierclub.co.uk/
The Kennel Club. (n.d.). Cavalier King Charles Spaniel breed standard. https://www.thekennelclub.org.uk/breed-standards/toy/cavalier-king-charles-spaniel/
Wilcox, B., & Walkowicz, C. (1995). Atlas of dog breeds of the world (5th ed.). T.F.H. Publications.

