Ancient Cerulean color palette — #C9F3F6 · #00A0BA · #00688C · #004163 · #00183D

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

The five colors

• Frost (#C9F3F6): A whisper-light, dusty blue — the color of deep harbor water.
• Cerulean (#00A0BA): A luminous, balanced blue — the color of open sky before noon.
• Peacock (#00688C): A full-bodied, balanced blue — the color of open sky before noon.
• Navy (#004163): A deep, shadowed, balanced blue — the color of deep harbor water.
• Midnight (#00183D): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.

Feels like: Trust, Stability, Calm, Balance. Tagged 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

• Linen Navy color palette (#D7F0F9, #009DD6, #0067AF, #00358B, #0F005A)
• Softworn Loft color palette (#D4F2FF, #81C0DE, #4D90BB, #345B85, #2B3850)
• Lagoon Boulevard color palette (#D9ECDF, #009D74, #006C62, #004847, #001A1E)
• Hushed Cabin color palette (#AFFFEA, #00C5D2, #0093C7, #005392, #1F156E)
• Aged Azure Meadow color palette (#C8E8FD, #26A0DC, #964D00, #005276, #260F00)
• Periwinkle Terrace color palette (#CBE4FF, #46A7FF, #0062B9, #002F54, #000817)
• Wisteria Station color palette (#E7F4FF, #C2D5FF, #B384FC, #00708A, #001C43)
• Powdered Loft color palette (#DDEBFA, #427EDD, #3C4FBB, #301775, #1F033F)

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