Ultramarine Harbor color palette — #EAF3FF · #82A5DD · #C37A2D · #185DCA · #3C1F00

A conversation between Cobalt and Mustard, giving this palette its sense of trust and stability.

The five colors

• Ivory (#EAF3FF): bright and airy, almost weightless.
• Cornflower (#82A5DD): A luminous, balanced blue — the color of deep harbor water.
• Mustard (#C37A2D): A luminous, balanced gold — the color of old brass.
• Cobalt (#185DCA): A full-bodied, vivid blue — the color of a favorite pair of jeans.
• Espresso (#3C1F00): A deep, shadowed, dusty gold — the color of old brass.

Feels like: Trust, Stability, Optimism, Balance. Tagged warm.

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

• Chalky Amber color palette (#E5F4FF, #65AED1, #BF7B46, #006E93, #3E1E01)
• Lapis Delta color palette (#EDF2FF, #9C9DD9, #99902E, #5D51BB, #2C2800)
• Wandering Villa color palette (#EEF6FF, #72A3DA, #BD8414, #1860A6, #2F4A31)
• Hushed Cobalt Garden color palette (#E8FAF4, #7FBFF1, #D7A332, #0080C3, #543E10)
• Chalky Workshop color palette (#DEE9FE, #6976F3, #886F00, #3700D5, #1C1500)
• Cornflower Dune color palette (#FEF0FF, #B5D8FF, #E4AF72, #358CE4, #513000)
• Patina Bronze Alley color palette (#EEF1FF, #9183BD, #B8654A, #965B00, #181B37)
• Weathered Grape color palette (#EFF1FF, #B391F7, #429700, #6500BA, #0C2800)

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