Hazy Ultramarine Boulevard color palette — #D2E9F2 · #429CD4 · #3A5FB8 · #3D3783 · #281644

A conversation between Cobalt and Indigo, giving this palette its sense of trust and stability.

The five colors

• Frost (#D2E9F2): A whisper-light, dusty blue — the color of a favorite pair of jeans.
• Cerulean (#429CD4): A luminous, balanced blue — the color of a favorite pair of jeans.
• Cobalt (#3A5FB8): A full-bodied, balanced violet — the color of wild irises.
• Indigo (#3D3783): A deep, shadowed, balanced violet — the color of twilight just after sunset.
• Deep Indigo (#281644): A deep, shadowed, balanced violet — the color of a velvet chair.

Feels like: Trust, Stability, Creativity, Balance. Tagged cool.

Use it as a design system

One click turns Hazy Ultramarine Boulevard 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.