Ultramarine Harbor color palette — #DDEAF4 · #409CFD · #2B54CE · #1E008B · #020010

Cobalt takes the lead with Indigo close behind in a set that reads as trust and stability at first glance.

The five colors

• Frost (#DDEAF4): a clean, paper-quiet neutral.
• Cornflower (#409CFD): A luminous, vivid blue — the color of a favorite pair of jeans.
• Cobalt (#2B54CE): A full-bodied, vivid violet — the color of a velvet chair.
• Indigo (#1E008B): A deep, shadowed, vivid violet — the color of a velvet chair.
• Black (#020010): A deep, shadowed, dusty violet — the color of a velvet chair.

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

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• Ancient Nightshade Thicket color palette (#E1EAFF, #6A79F7, #5534B7, #290056, #020006)
• Nightshade Bloom color palette (#E2F1FF, #2981E6, #0B06D0, #1C0076, #130040)
• Linen Cornflower color palette (#FFE8E3, #418AE7, #4446A5, #520034, #00011B)
• Sunlit Basin color palette (#CAF3F9, #0081AE, #0021BA, #210060, #0E0016)
• Powdered Aubergine color palette (#DCFAF1, #0080C9, #563494, #002E0D, #000202)
• Grape Studio color palette (#C9F0F2, #17A9E7, #0D79F1, #5701E5, #240037)
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Browse the whole catalog at Explore, or see today's palette.