Ultramarine Basin color palette — #B1F6FF · #3BC9FC · #1789F7 · #3F40C2 · #32034F
Built around Cobalt, softened by Azure — the whole palette hums with trust and stability.
The five colors
- Sea Foam (#B1F6FF): A whisper-light, dusty blue — the color of open sky before noon.
- Sky (#3BC9FC): A luminous, balanced blue — the color of deep harbor water.
- Azure (#1789F7): A luminous, vivid blue — the color of open sky before noon.
- Cobalt (#3F40C2): A full-bodied, vivid violet — the color of wild irises.
- Deep Indigo (#32034F): A deep, shadowed, balanced violet — the color of twilight just after sunset.
Feels like: Trust, Stability, Creativity, Calm, Energy. Tagged cool.
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
- Tempered Ultramarine Corridor color palette (#B8FFF5, #00CDE4, #008AC8, #0050B1, #2B1464)
- Feathered Indigo Basin color palette (#C5F0FF, #79C4FF, #5A73FF, #5F1BAD, #3E0046)
- Chalky Sapphire Dune color palette (#D6EEFE, #5AB8FF, #1D97FB, #0063E0, #112576)
- Chalky Nightshade color palette (#DFF2F7, #009DD9, #0061A7, #1700C2, #34047A)
- Soft Cornflower color palette (#F1F5FF, #B9C9FF, #5176FF, #2422A6, #010028)
- Pale Iris Quarry color palette (#EBF7FF, #B8CFFF, #8077FF, #864AA0, #4D1A42)
- Moonless Nightshade color palette (#D3E7F0, #0074C5, #2D00A3, #20003F, #030004)
- Timeworn Market color palette (#FFF0FE, #83B3FF, #CD8D06, #005FDD, #2B1B00)
Browse the whole catalog at Explore, or see today's palette.