Cerulean Hollow color palette — #F0F3E9 · #BCE8D6 · #6193BB · #2F6678 · #39233B

Built around Slate Blue, softened by Peacock — the whole palette hums with trust and stability.

The five colors

• Cream (#F0F3E9): bright and airy, almost weightless.
• Mint (#BCE8D6): A whisper-light, dusty teal — the color of glacier melt.
• Slate Blue (#6193BB): A luminous, balanced blue — the color of deep harbor water.
• Peacock (#2F6678): A full-bodied, dusty blue — the color of open sky before noon.
• Onyx (#39233B): A deep, shadowed, dusty pink — the color of neon signs at night.

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

Use it as a design system

One click turns Cerulean Hollow 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

• Antique Cerulean color palette (#F1F3EB, #AEE7F7, #4199B9, #116B72, #0E3427)
• Ancient Lagoon color palette (#E7F8E0, #00BDA7, #7C85D6, #007567, #381C30)
• Wandering Coast color palette (#ECEDE0, #28B0BA, #006471, #003A36, #000D12)
• Navy Corridor color palette (#E5EADC, #488FCC, #00488E, #00293B, #00021A)
• Wandering Lagoon color palette (#FBF4EE, #C1E4F6, #9ABDEB, #409092, #513548)
• Tempered Cerulean color palette (#EBEEDF, #0086A1, #004256, #001F22, #000103)
• Antique Cobalt color palette (#E5F8E2, #00A29C, #4F81C2, #61733C, #152213)
• Weathered Aqua Courtyard color palette (#F3F4DF, #4BD2D3, #00818B, #005249, #001E24)

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