Ancient Cobalt color palette — #ECF5EB · #9ECDF8 · #6178BC · #005A66 · #211A3C

A conversation between Slate and Sky, giving this palette its sense of trust and stability.

The five colors

• Cream (#ECF5EB): a clean, paper-quiet neutral.
• Sky (#9ECDF8): A whisper-light, dusty blue — the color of deep harbor water.
• Slate (#6178BC): A full-bodied, balanced violet — the color of twilight just after sunset.
• Peacock (#005A66): A full-bodied, dusty blue — the color of open sky before noon.
• Deep Indigo (#211A3C): A deep, shadowed, dusty violet — the color of twilight just after sunset.

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

Use it as a design system

One click turns Ancient Cobalt 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

• Washed Cerulean color palette (#F8EEF6, #93D4DD, #0088B0, #005E48, #0C2237)
• Hazy Sapphire color palette (#FEECF4, #60C8FA, #0271D2, #005152, #100E48)
• Cobalt Alley color palette (#FAF4ED, #A4D0C3, #6472B7, #005F62, #413256)
• Aged Periwinkle color palette (#F3F7EB, #DBD5DF, #7CA8E5, #28779F, #3E243B)
• Muted Cerulean Villa color palette (#F2E1EB, #1798B9, #004E79, #002C28, #00001E)
• Washed Moss Ridge color palette (#D2F1EA, #7BB34A, #8653A7, #386200, #261133)
• Worn Drift color palette (#DAFAF2, #A9F1CC, #68BAC7, #786D34, #012B29)
• Worn Terrace color palette (#E3EEDD, #60A326, #753D9E, #883051, #001915)

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