Antique Cobalt color palette — #EBF5ED · #B0CBE0 · #537FAE · #005966 · #121E3E

Slate and Peacock set the tone — five colors that lean into trust and stability.

The five colors

• Cream (#EBF5ED): bright and airy, almost weightless.
• Lilac Frost (#B0CBE0): A whisper-light, dusty blue — the color of open sky before noon.
• Slate (#537FAE): A full-bodied, balanced blue — the color of deep harbor water.
• Peacock (#005966): A full-bodied, dusty blue — the color of open sky before noon.
• Midnight (#121E3E): 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

• Softworn Studio color palette (#EBF5ED, #A4DAE8, #0094A3, #00654B, #002A36)
• Cobalt Ridge color palette (#FAF4EE, #ADCDC1, #5F76B0, #00605D, #3D3457)
• Petrol Balcony color palette (#E3ECE4, #89BCCF, #007790, #004C41, #001926)
• Cerulean Study color palette (#DAE9DD, #3E98A6, #005168, #002C27, #00050B)
• Washed Azure Orchard color palette (#F9F4ED, #B7DFCF, #5B99DA, #007A8A, #2A395D)
• Quiet Hollow color palette (#D7F0E7, #899B4B, #846BB8, #4E5D00, #220F3E)
• Soft Balcony color palette (#DBE8DD, #7BA0C3, #2552AA, #003746, #06012D)
• Dusty Canyon color palette (#C2EBDF, #668925, #2273B2, #93364F, #0E1800)

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