Ultramarine Basin color palette — #E5DAE6 · #0C63B4 · #331D30 · #1A0F1B · #01090B

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

The five colors

• Silver (#E5DAE6): A whisper-light, dusty pink — the color of a candy shop window.
• Cobalt (#0C63B4): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Onyx (#331D30): A deep, shadowed, dusty pink — the color of neon signs at night.
• Ink (#1A0F1B): A deep, shadowed, dusty pink — the color of peonies in June.
• Ink (#01090B): a grounded near-black with real depth.

Feels like: Trust, Stability, Sophistication, Depth, Luxury. Tagged noir, dark, luxury, muted.

Use it as a design system

One click turns Ultramarine Basin 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

• Ancient Cobalt Drift color palette (#D4E0EC, #2083DB, #373E58, #0C2339, #050F14)
• Petrol Loft color palette (#D8F2E7, #006B96, #062D25, #051811, #000505)
• Cellar Grape color palette (#FFE9F2, #763FB7, #391B24, #200C15, #0A0203)
• Softworn Periwinkle color palette (#E1EFFF, #459CFF, #526085, #2C3E52, #070E15)
• Shadow Nightshade color palette (#F8E1F5, #052DB3, #21160E, #0A0A28, #090008)
• Violet Boulevard color palette (#FFECF2, #9069B1, #4A363A, #312529, #1A1313)
• Worn Harbor color palette (#FDD9EB, #7A6BBC, #A34A6E, #00647F, #3F1F31)
• Aubergine Garden color palette (#F3D6DC, #413E37, #4A0059, #1D1004, #0C000A)

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