Ultramarine Harbor color palette — #CBF3FC · #0090D7 · #3A4EB3 · #421178 · #3E0048
Built around Cobalt, softened by Royal Purple — the whole palette hums with trust and stability.
The five colors
- Frost (#CBF3FC): A whisper-light, dusty blue — the color of deep harbor water.
- Cerulean (#0090D7): A luminous, balanced blue — the color of deep harbor water.
- Cobalt (#3A4EB3): A full-bodied, vivid violet — the color of a velvet chair.
- Royal Purple (#421178): A deep, shadowed, balanced violet — the color of a velvet chair.
- Deep Indigo (#3E0048): A deep, shadowed, balanced pink — the color of neon signs at night.
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
- Sunlit Indigo Delta color palette (#BCEDFF, #4F9EEC, #615CB9, #522D78, #4E0646)
- Antique Aubergine color palette (#D4EAF8, #3071F0, #5216AC, #430053, #300025)
- Sunlit Grape Harbor color palette (#D7EAF3, #66B7FF, #6B85ED, #6C32EA, #340059)
- Quiet Harbor color palette (#CAEEE5, #00A9B5, #006291, #132689, #2A006B)
- Weathered Nightshade Villa color palette (#C2E9CF, #0082AE, #4C3B8F, #3E3200, #0B253F)
- Antique Cornflower Market color palette (#E6F0FF, #00C2DA, #4C92FF, #874893, #191E43)
- Ancient Iris color palette (#D8E5FB, #897EFC, #8033A2, #600042, #470016)
- Garnet Harbor color palette (#DFEFFF, #99AFFA, #806BB2, #6E3C6F, #6B1A3E)
Browse the whole catalog at Explore, or see today's palette.