Ultramarine Basin color palette — #E0EBF8 · #2587FB · #1D56CE · #253283 · #24255A

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

The five colors

• Frost (#E0EBF8): A whisper-light, dusty blue — the color of open sky before noon.
• Azure (#2587FB): A luminous, vivid blue — the color of open sky before noon.
• Cobalt (#1D56CE): A full-bodied, vivid violet — the color of twilight just after sunset.
• Indigo (#253283): A deep, shadowed, balanced violet — the color of wild irises.
• Deep Indigo (#24255A): A deep, shadowed, balanced violet — the color of wild irises.

Feels like: Trust, Stability, Creativity, Calm, Energy, Balance. 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

• Sapphire Terrace color palette (#DDF0FF, #5197ED, #436BDA, #3B3A9A, #30245C)
• Ultramarine Balcony color palette (#CAE3F3, #2F84E1, #2647BD, #2F1E86, #1B0544)
• Patina Drift color palette (#C3E8FC, #009CE3, #0062A4, #003D7B, #2D2351)
• Lapis Station color palette (#CFE7EE, #2BB4F2, #5A82FD, #6344D2, #3D1151)
• Linen Meadow color palette (#E4E5FF, #8D7FFF, #5137A8, #271666, #15033E)
• Airy Nightshade Corridor color palette (#CEDFFC, #4F74EB, #007D63, #2037AA, #003125)
• Aged Lapis color palette (#D8DEF2, #5A4EF9, #4516B3, #340C72, #380135)
• Quiet Bloom color palette (#DEDFFC, #653DF2, #A6096E, #005668, #161D38)

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