Cerulean Basin color palette — #DBF5F9 · #0089A1 · #005A70 · #002735 · #000408

A conversation between Cerulean and Peacock, giving this palette its sense of trust and stability.

The five colors

• Frost (#DBF5F9): A whisper-light, dusty blue — the color of open sky before noon.
• Cerulean (#0089A1): A full-bodied, balanced blue — the color of deep harbor water.
• Peacock (#005A70): A full-bodied, balanced blue — the color of deep harbor water.
• Midnight (#002735): A deep, shadowed, dusty blue — the color of deep harbor water.
• Ink (#000408): A deep, shadowed, dusty blue — the color of deep harbor water.

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

Use it as a design system

One click turns 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

• Cerulean Hollow color palette (#D8F2F2, #009BAC, #007B9C, #005477, #001023)
• Antique Azure color palette (#D1EAFF, #0099E6, #00588E, #001A2E, #000103)
• Ancient Olive Coast color palette (#CFE7F6, #008BAF, #4F7500, #004356, #010100)
• Worn Lagoon color palette (#CEE6D7, #00976F, #006755, #002C27, #000201)
• Misty Onyx color palette (#D2F9E8, #007F84, #00485A, #002544, #050055)
• Washed Grape color palette (#DDF0FF, #006DA6, #7D00B9, #004F41, #000103)
• Pale Courtyard color palette (#D9EDFF, #A6CCFF, #8B9DFF, #006486, #00030C)
• Sky Bloom color palette (#BFF1FF, #07C1F1, #0093CA, #00537E, #002A4B)

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