Ultramarine Harbor color palette — #CEE2FD · #0057B1 · #290A45 · #000C23 · #010209

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

The five colors

• Frost (#CEE2FD): A whisper-light, dusty blue — the color of open sky before noon.
• Cobalt (#0057B1): A full-bodied, vivid blue — the color of deep harbor water.
• Deep Indigo (#290A45): A deep, shadowed, balanced violet — the color of twilight just after sunset.
• Ink (#000C23): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.
• Ink (#010209): A deep, shadowed, dusty violet — the color of wild irises.

Feels like: Trust, Stability, Creativity, Calm, Depth, Luxury. Tagged noir, dark, luxury, 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

• Inked Balcony color palette (#E3F2FC, #00647E, #10174C, #001016, #000205)
• Shadow Lapis Cabin color palette (#D5DDFB, #3D18F5, #33043C, #030B23, #010109)
• Antique Garden color palette (#D3E5FE, #0C6EF4, #283269, #061938, #000815)
• Frosted Atelier color palette (#ECD6EC, #3D8FFF, #5B5082, #16345E, #000A05)
• Grape Balcony color palette (#ECECFE, #8533B2, #2E1F35, #13121F, #040308)
• Weathered Cobalt color palette (#EAF2FF, #5B79C5, #3B3A4F, #242931, #13151A)
• Shadow Villa color palette (#E1E5F8, #473A36, #240086, #240D23, #0B000D)
• Aubergine Lagoon color palette (#F0EDFF, #6E007F, #25181C, #240009, #04010E)

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