Ancient Cerulean Basin color palette — #D3E9F1 · #0094BE · #005E85 · #002A43 · #000207

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

The five colors

• Frost (#D3E9F1): A whisper-light, dusty blue — the color of open sky before noon.
• Cerulean (#0094BE): A luminous, balanced blue — the color of a favorite pair of jeans.
• Peacock (#005E85): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Midnight (#002A43): A deep, shadowed, dusty blue — the color of open sky before noon.
• Black (#000207): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.

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

Use it as a design system

One click turns Ancient Cerulean Basin 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 Cabin color palette (#D8EAF8, #0082D1, #0056A0, #00225B, #000017)
• Lagoon Thicket color palette (#CBEEE4, #009F8F, #00625C, #002828, #000203)
• Plum Lagoon color palette (#D5E9FC, #0082D6, #AE1B84, #003E6A, #040002)
• Eclipse Workshop color palette (#CEE4E8, #006583, #004263, #001F39, #00041A)
• Soft Periwinkle Lagoon color palette (#CCE0FF, #4795FF, #004DB0, #001237, #000105)
• Petrol Station color palette (#CDF0F8, #0096B9, #0076A8, #004780, #000C34)
• Powdered Grape color palette (#D6E2F3, #0062CC, #8C009C, #004E4B, #000105)
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Browse the whole catalog at Explore, or see today's palette.