Cerulean Dune color palette — #F0F3EC · #C3E5DA · #6391C3 · #166786 · #3A223A

A conversation between Slate Blue and Peacock, giving this palette its sense of trust and stability.

The five colors

• Cream (#F0F3EC): bright and airy, almost weightless.
• Silver (#C3E5DA): A whisper-light, dusty teal — the color of shallow lagoons.
• Slate Blue (#6391C3): A luminous, balanced blue — the color of open sky before noon.
• Peacock (#166786): A full-bodied, balanced blue — the color of open sky before noon.
• Onyx (#3A223A): A deep, shadowed, dusty pink — the color of neon signs at night.

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

Use it as a design system

One click turns Cerulean Dune 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 color palette (#F1F3EA, #BCE8D5, #4096CC, #00697E, #01352B)
• Patina Cabin color palette (#E8EADD, #64A8B5, #006277, #00393A, #000D14)
• Ancient Cobalt color palette (#F0F4E6, #9ED8FF, #0088DB, #005E78, #03244B)
• Cerulean Basin color palette (#F2F3E9, #B1D1B4, #008C9B, #005C55, #00252E)
• Dusty Parlor color palette (#F9F4EF, #C3E2F5, #9CBBF5, #2C919C, #523446)
• Worn Cerulean color palette (#DEE1D1, #40829C, #00415C, #001E24, #000104)
• Faded Emerald color palette (#F0F6D9, #4CA359, #008FA4, #876420, #1D200A)
• Softworn Sapphire Summit color palette (#E7EAE3, #91B7DE, #0966D2, #004665, #071333)

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