Cerulean Hollow color palette — #D6E9E7 · #438BA1 · #004359 · #002226 · #000B14

Built around Cerulean, softened by Deep Teal — the whole palette hums with trust and stability.

The five colors

• Frost (#D6E9E7): A whisper-light, dusty teal — the color of sea glass.
• Cerulean (#438BA1): A full-bodied, dusty blue — the color of open sky before noon.
• Deep Teal (#004359): A deep, shadowed, dusty blue — the color of deep harbor water.
• Midnight (#002226): A deep, shadowed, dusty blue — the color of deep harbor water.
• Ink (#000B14): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.

Feels like: Trust, Stability, 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.

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