Ultramarine Basin color palette — #D4EED9 · #008DB4 · #274ABD · #671700 · #001829

Built around Cobalt, softened by Oxblood — the whole palette hums with trust and stability.

The five colors

• Honeydew (#D4EED9): A whisper-light, dusty teal — the color of shallow lagoons.
• Cerulean (#008DB4): A full-bodied, balanced blue — the color of deep harbor water.
• Cobalt (#274ABD): A full-bodied, vivid violet — the color of wild irises.
• Oxblood (#671700): A deep, shadowed, balanced orange — the color of toasted spice.
• Ink (#001829): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.

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

• Nightshade Lagoon color palette (#FFEBCC, #0098C1, #284AAF, #511000, #00040A)
• Muted Garnet Courtyard color palette (#D2EDD7, #009392, #006085, #6B0030, #001A1E)
• Dusty Grape color palette (#D2ECD7, #3F7FDB, #6639A9, #512F00, #0C0F3A)
• Frosted Drift color palette (#CEE5F5, #007FAD, #841486, #4D2900, #001709)
• Nightshade Alley color palette (#ECE5D7, #007573, #1822A2, #302100, #001A22)
• Aged Indigo color palette (#FAE7D2, #00ACB7, #6361E3, #764B00, #001925)
• Denim Terrace color palette (#E0EFFF, #0064A5, #2A232A, #171F4A, #000A17)
• Dusty Garden color palette (#DDEAF4, #7C95C6, #7E64A7, #733605, #372900)

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