Soft Ultramarine color palette — #C5E9ED · #0093C9 · #0031DA · #250052 · #030005

Cobalt and Cerulean set the tone — five colors that lean into trust and stability.

The five colors

• Frost (#C5E9ED): A whisper-light, dusty blue — the color of deep harbor water.
• Cerulean (#0093C9): A luminous, balanced blue — the color of deep harbor water.
• Cobalt (#0031DA): A full-bodied, vivid violet — the color of a velvet chair.
• Deep Indigo (#250052): A deep, shadowed, balanced violet — the color of a velvet chair.
• Black (#030005): A deep, shadowed, dusty pink — the color of a candy shop window.

Feels like: Trust, Stability, Creativity, Energy, Balance. Tagged vibrant.

Use it as a design system

One click turns Soft Ultramarine 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

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• Ancient Navy color palette (#DCF2EF, #009ABA, #005A91, #10006E, #020006)
• Feathered Sapphire color palette (#DBEFFF, #2E90FF, #2E5AF8, #352BA6, #0A0028)
• Aubergine Coast color palette (#D3E5F4, #466BE0, #4E00A6, #1B001E, #040002)
• Antique Grove color palette (#EDE6D8, #0082A6, #4100B2, #221B00, #000104)
• Softworn Bloom color palette (#E4F4EB, #009893, #005F73, #00253B, #00000B)
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Browse the whole catalog at Explore, or see today's palette.