Ultramarine Corridor color palette — #E8F5FF · #0083B9 · #005CD9 · #703000 · #001F23

Built around Cobalt, softened by Cerulean — the whole palette hums with trust and stability.

The five colors

• Ivory (#E8F5FF): a clean, paper-quiet neutral.
• Cerulean (#0083B9): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Cobalt (#005CD9): A full-bodied, vivid blue — the color of open sky before noon.
• Rust (#703000): A deep, shadowed, balanced orange — the color of toasted spice.
• Ink (#001F23): A deep, shadowed, dusty blue — the color of open sky before noon.

Feels like: Trust, Stability, Optimism, Energy, Balance. Tagged jewel, vibrant.

Use it as a design system

One click turns Ultramarine Corridor into a complete token system: semantic roles from primary to success, an 11-stop OKLCH scale per role, a WCAG AA/AAA and APCA contrast matrix, an auto-derived dark mode and 11 export formats including CSS custom properties, Tailwind, Figma Variables and shadcn/ui.

Similar palettes

• Ancient Grape color palette (#E7F5FF, #0083B8, #6800E8, #603B00, #001927)
• Frosted Garnet color palette (#DAF1FF, #0087AA, #006DAF, #8F0024, #001916)
• Byzantium Drift color palette (#E4F3FF, #0084BD, #9F00BD, #564600, #001A29)
• Linen Orchard color palette (#F8E2B6, #00B28C, #0073BA, #634800, #003032)
• Soft Lantern color palette (#E4EBFE, #6E6ACC, #6B3CA1, #584100, #001627)
• Byzantium Basin color palette (#EFF6FF, #5491F6, #8C4CB8, #704B00, #00283E)
• Hushed Cobalt color palette (#C5E5FC, #0082B2, #313064, #001E2C, #00090D)
• Ancient Cobalt color palette (#EEF6FD, #74A9CA, #7181C3, #885915, #1D3542)

Browse the whole catalog at Explore, or see today's palette.