Ultramarine Harbor color palette — #CCF0E7 · #00C1D0 · #0099CC · #0066B5 · #1E1F63

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

The five colors

• Honeydew (#CCF0E7): A whisper-light, dusty teal — the color of shallow lagoons.
• Cyan (#00C1D0): A luminous, balanced blue — the color of a favorite pair of jeans.
• Cerulean (#0099CC): A luminous, balanced blue — the color of open sky before noon.
• Cobalt (#0066B5): A full-bodied, balanced blue — the color of open sky before noon.
• Deep Indigo (#1E1F63): A deep, shadowed, balanced violet — the color of wild irises.

Feels like: Trust, Stability, Creativity, Calm, Balance. Tagged cool.

Use it as a design system

One click turns Ultramarine Harbor 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

• Softworn Turquoise color palette (#C5E7EB, #00ACD4, #0083AF, #00548B, #012C69)
• Sapphire Meadow color palette (#D7F5F6, #00BFF1, #0090F2, #3E5AE5, #3A225D)
• Tempered Atelier color palette (#C1EFF2, #00A4C9, #0073E0, #4535D7, #2B0048)
• Quiet Meadow color palette (#DDF8DD, #2BC49C, #00A1AA, #00748F, #003053)
• Airy Navy Meadow color palette (#CBEDE8, #0099A6, #006082, #002A6A, #140A38)
• Frosted Harbor color palette (#CAE5FF, #8CC2FF, #2D99F7, #006BB7, #001634)
• Patina Apricot Villa color palette (#CBE1F7, #65B5FC, #FD8639, #007CCB, #451B00)
• Frosted Alley color palette (#DCEEF7, #6DAEFF, #6E74F3, #8332CC, #46104D)

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