Ancient Cobalt color palette — #ECF4ED · #B1CBE3 · #5F7CAE · #00586D · #181C41

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

The five colors

• Cream (#ECF4ED): bright and airy, almost weightless.
• Lilac Frost (#B1CBE3): A whisper-light, dusty blue — the color of open sky before noon.
• Slate (#5F7CAE): A full-bodied, balanced violet — the color of wild irises.
• Peacock (#00586D): A full-bodied, dusty blue — the color of deep harbor water.
• Deep Indigo (#181C41): A deep, shadowed, dusty violet — the color of a velvet chair.

Feels like: Trust, Stability, 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

• Cobalt Study color palette (#E6F7E9, #7AC6EB, #0077BC, #005058, #001642)
• Worn Corridor color palette (#E8F6EB, #91DFE6, #0092AE, #006455, #00293B)
• Softworn Corridor color palette (#FAF4ED, #A9CEC3, #6773B2, #005F62, #423158)
• Tempered Field color palette (#EDF4EE, #D7DBEF, #839EC3, #3C7482, #2C364A)
• Washed Cerulean Coast color palette (#E3F6E7, #3697B1, #005070, #002C2B, #00040E)
• Antique Study color palette (#EFEEFF, #9963AC, #926400, #00696A, #1E0926)
• Stone Garden color palette (#F1F0FF, #FED0ED, #EA9EA5, #675C8E, #282138)
• Softworn Hollow color palette (#DEE4FF, #8C80D2, #724DA3, #592572, #2F0E2F)

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