Ultramarine Harbor color palette — #E4EFFF · #0C2BE7 · #2A1E1F · #1B1238 · #010513

Cobalt and Deep Indigo set the tone — five colors that lean into creativity and energy.

The five colors

• Frost (#E4EFFF): A whisper-light, dusty blue — the color of open sky before noon.
• Cobalt (#0C2BE7): A full-bodied, vivid violet — the color of wild irises.
• Onyx (#2A1E1F): a grounded near-black with real depth.
• Deep Indigo (#1B1238): A deep, shadowed, dusty violet — the color of a velvet chair.
• Ink (#010513): A deep, shadowed, dusty violet — the color of wild irises.

Feels like: Creativity, Energy, Depth, Luxury. Tagged noir, dark, luxury, vibrant.

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

• Moonless Grape Field color palette (#E6EAF7, #5200DF, #4C2100, #221030, #020413)
• Sapphire Villa color palette (#D8E7FC, #2367FB, #2E1B3A, #130E13, #00040E)
• Moonless Denim Atelier color palette (#D1E7FD, #005892, #292022, #0F153A, #000510)
• Powdered Indigo Market color palette (#DFE7F7, #6568F6, #633EBD, #4C156F, #2A0431)
• Dusty Market color palette (#EBEEFF, #8358CA, #322D43, #131522, #05060B)
• Muted Parlor color palette (#E1ECE3, #86BBDC, #266DB2, #004A54, #081332)
• Grape Alley color palette (#E0DEFA, #7E00A9, #392C2E, #2B0C24, #050410)
• Washed Byzantium color palette (#EDEDFC, #8C36C9, #855000, #005953, #090522)

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