Ultramarine Atelier color palette — #D3E4FD · #0051BC · #722A00 · #222800 · #000203

Built around Cobalt, softened by Rust — the whole palette hums with nature and growth.

The five colors

• Frost (#D3E4FD): A whisper-light, dusty blue — the color of a favorite pair of jeans.
• Cobalt (#0051BC): A full-bodied, vivid blue — the color of open sky before noon.
• Rust (#722A00): A deep, shadowed, balanced orange — the color of autumn markets.
• Onyx (#222800): A deep, shadowed, dusty green — the color of a quiet forest floor.
• Black (#000203): quiet, heavy and certain.

Feels like: Nature, Growth, Trust, Stability, Optimism, Balance. Tagged jewel, vibrant.

Use it as a design system

One click turns Ultramarine Atelier 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

• Nocturne Dune color palette (#D4E6F4, #006084, #760022, #2D2200, #000201)
• Lapis Basin color palette (#E7EEFD, #5424E3, #603600, #092F00, #000204)
• Velvet Aubergine Alley color palette (#DBDDF0, #6025A2, #412B00, #002510, #000204)
• Worn Indigo Courtyard color palette (#F8EACD, #6B53E2, #790081, #352B00, #120027)
• Frosted Harbor color palette (#EBF2FF, #546CFF, #904B00, #3E5600, #001B21)
• Shadow Aubergine Harbor color palette (#E7EDFF, #350094, #420022, #0A1300, #02000D)
• Wandering Bloom color palette (#D3F1E9, #0081DB, #B7001E, #00552D, #000206)
• Midnight Terrace color palette (#DCDDFA, #7300B2, #271510, #2B0529, #05000C)

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