Cobalt Basin color palette — #EFF8F0 · #AFC8E0 · #4A78BD · #005D70 · #2F375F

Slate and Peacock set the tone — five colors that lean into trust and stability.

The five colors

• Ivory (#EFF8F0): bright and airy, almost weightless.
• Sky (#AFC8E0): A whisper-light, dusty blue — the color of open sky before noon.
• Slate (#4A78BD): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Peacock (#005D70): A full-bodied, dusty blue — the color of deep harbor water.
• Navy (#2F375F): A deep, shadowed, dusty violet — the color of wild irises.

Feels like: Trust, Stability, Calm, Sophistication. Tagged coastal, cool, light, muted.

Use it as a design system

One click turns Cobalt 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

• Patina Cerulean Station color palette (#F0F7F1, #A7CCD8, #00869E, #006151, #074057)
• Worn Indigo color palette (#FBEEF2, #A8CCEB, #5B74D2, #005B5B, #1B1C3C)
• Softworn Alley color palette (#FBF4ED, #B5DFD1, #7990E0, #007C7B, #3F3357)
• Worn Corridor color palette (#FBF4EA, #BAEDDD, #88B3F4, #3699B3, #30385A)
• Denim Corridor color palette (#DBE7DD, #579BAB, #00516E, #00302E, #001528)
• Washed Turquoise color palette (#E6F9FF, #50B6BA, #007478, #003E43, #002728)
• Wandering Byzantium Alley color palette (#C9ECF5, #008C8B, #8951A3, #7B5100, #00313C)
• Muted Archive color palette (#DBE9DE, #5C84AC, #062B99, #00212B, #07002B)

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