Midnight marine, tricolor blue, cobalt ciel, cornflower, mist, and linen
Midnight Marine
#0A1A40
rgb(10, 26, 64)
Deep near-black navy — the shadow beneath the surface of deep Atlantic water
Marine
#0B2F70
rgb(11, 47, 112)
Rich dark marine blue — the depth of open French Atlantic
Tricolor
#002395
rgb(0, 35, 149)
The precise blue of the French national flag — vivid, saturated, historic
Cobalt Ciel
#4878D0
rgb(72, 120, 208)
Bright open-sky blue — the French sky over the Loire on a clear July day
Cornflower
#88B0E0
rgb(136, 176, 224)
Soft medium blue — the bleuet flower of French summer fields
Mist
#C4D8EE
rgb(196, 216, 238)
Pale blue mist — the hazy horizon of the French countryside
Linen
#EEF2F8
rgb(238, 242, 248)
Near-white with a cool blue cast — the lightest surface value
French blue is a specific cultural register of blue that sits between navy's authority and cerulean's openness — a medium-deep, slightly warm blue that has characterized French decorative arts, textile design, fashion, and national identity for centuries. This palette traces the full tonal range from the deepest marine shadows through the vivid Tricolor blue — precisely the blue of the French national flag as specified by the French government — and out through the lighter registers where French blue meets open sky and finally dissolves into pale linen.
Midnight Marine and Marine establish the depth that grounds the palette and gives Tricolor its full visual weight. At its designated position, Tricolor reads with maximum intensity against both dark and light surroundings — a consequence of its specific hue angle, which sits just warm enough to avoid the coldness of pure primary blue and just saturated enough to hold presence without needing to compete. This careful balance is why French blue has endured as a design reference across every era of French visual culture.
Sponsors
Above Tricolor, Cobalt Ciel introduces the lighter register of sky — the blue of the French countryside horizon on a clear summer day. Cornflower and Mist step through the soft-focus range, providing delicate accent and background values suited to fashion editorial, fragrance branding, and the large swaths of negative space that French graphic design characteristically leaves as breathing room. The seven-step range is also useful for data visualization systems that need a complete single-hue sequence, given the even luminosity distribution across the scale.
This palette is well-suited to luxury fashion, wine and spirits branding, Parisian restaurant and hospitality identity, French heritage goods, and any design context where Continental European elegance — rather than Anglo-American formality — is the register being invoked. Linen completes the range as a near-neutral that reads as white in context while maintaining the palette's cool temperature identity throughout.