Ancient Cerulean color palette — #DEF0F3 · #00859F · #005A74 · #00364B · #001524

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

The five colors

• Frost (#DEF0F3): a clean, paper-quiet neutral.
• Cerulean (#00859F): A full-bodied, balanced blue — the color of open sky before noon.
• Peacock (#005A74): A full-bodied, balanced blue — the color of open sky before noon.
• Deep Teal (#00364B): A deep, shadowed, dusty blue — the color of open sky before noon.
• Ink (#001524): A deep, shadowed, dusty blue — the color of deep harbor water.

Feels like: Trust, Stability, Calm, Sophistication. Tagged muted, cool.

Use it as a design system

One click turns Ancient Cerulean 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

• Aged Coast color palette (#D6F1EE, #007C85, #004D61, #002845, #010D4A)
• Olive Hollow color palette (#CCE6DA, #0083AB, #487500, #004C65, #081300)
• Washed Lagoon color palette (#CFF3E0, #008D6B, #006556, #003E37, #001B1A)
• Muted Cobalt color palette (#CDE6FD, #008DDA, #005687, #002B4B, #000206)
• Iris Veranda color palette (#D3F2E7, #8DB1E2, #838FE5, #006181, #001934)
• Muted Hollow color palette (#CDEDFF, #006F99, #702BBB, #005841, #000910)
• Pale Navy color palette (#D2EAFF, #006EC8, #004294, #060082, #050034)
• Dusty Bronze Orchard color palette (#F2E3CA, #8F7D1E, #664F00, #412C00, #0D0C00)

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