Antique Cobalt color palette — #EBF5ED · #9DCDF6 · #597CB4 · #00596C · #141F39

Slate takes the lead with Peacock close behind in a set that reads as trust and stability at first glance.

The five colors

• Cream (#EBF5ED): bright and airy, almost weightless.
• Sky (#9DCDF6): A whisper-light, dusty blue — the color of open sky before noon.
• Slate (#597CB4): A full-bodied, balanced blue — the color of deep harbor water.
• Peacock (#00596C): A full-bodied, dusty blue — the color of deep harbor water.
• Midnight (#141F39): A deep, shadowed, dusty violet — the color of wild irises.

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

Use it as a design system

One click turns Antique 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

• Cerulean Parlor color palette (#EBF5ED, #8AD6DC, #008AA4, #005D4E, #002434)
• Timeworn Cobalt color palette (#FCF4EC, #A4D0C2, #5E77AE, #005E68, #502E42)
• Weathered Ash Lantern color palette (#E9F3FF, #CFD5FF, #C2A1D4, #3D7A93, #162439)
• Washed Cerulean color palette (#E0F1E3, #3B97AE, #00506E, #002C2B, #00050D)
• Worn Azure color palette (#F3F7EC, #B9DED3, #6B98CF, #2A7497, #253A61)
• Azure Delta color palette (#C7F2FD, #00A3D2, #00689C, #004076, #112045)
• Quiet Azure Villa color palette (#D8ECFF, #3796E6, #AB6C00, #005894, #2A1700)
• Periwinkle Boulevard color palette (#E1ECFF, #74A9FF, #3B6AB8, #14336D, #000923)

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