Ultramarine Basin color palette — #D3EEED · #00C9EF · #0094E3 · #395CCB · #3D3878

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

The five colors

• Honeydew (#D3EEED): A whisper-light, dusty teal — the color of shallow lagoons.
• Cyan (#00C9EF): A luminous, balanced blue — the color of deep harbor water.
• Azure (#0094E3): A luminous, balanced blue — the color of deep harbor water.
• Cobalt (#395CCB): A full-bodied, vivid violet — the color of a velvet chair.
• Navy (#3D3878): A deep, shadowed, balanced violet — the color of a velvet chair.

Feels like: Trust, Stability, Creativity, Calm, Balance. Tagged cool.

Use it as a design system

One click turns Ultramarine Basin 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

• Airy Cabin color palette (#C5E8EF, #4FD3FF, #02A6F4, #007ADF, #273F6F)
• Feathered Denim Lagoon color palette (#C5ECDB, #00CFDA, #009BB6, #0063A8, #2F3C83)
• Airy Cornflower Pier color palette (#D2F5FD, #53BCEF, #5479D7, #554C99, #432859)
• Gentle Cornflower color palette (#F0F5FF, #8FBFFF, #4B88F4, #1251AD, #00205B)
• Lapis Loft color palette (#CAE7F3, #0091E9, #4647C9, #54158A, #390544)
• Tempered Iris Villa color palette (#C7E9FF, #93BBFF, #8A88D6, #825F9A, #5C3A57)
• Airy Amber color palette (#D8FFF4, #88C6FF, #D88400, #006CB2, #553100)
• Washed Cabin color palette (#D5E8D1, #00D6A8, #009793, #007488, #004666)

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