Cerulean Basin color palette — #EEF8F0 · #D8DDFB · #90B6FF · #00A0C6 · #373B64

Cerulean and Sky set the tone — five colors that lean into trust and stability.

The five colors

• Ivory (#EEF8F0): a clean, paper-quiet neutral.
• Thistle (#D8DDFB): A whisper-light, dusty violet — the color of twilight just after sunset.
• Sky (#90B6FF): A luminous, balanced violet — the color of a velvet chair.
• Cerulean (#00A0C6): A luminous, balanced blue — the color of open sky before noon.
• Navy (#373B64): A deep, shadowed, dusty violet — the color of wild irises.

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

Use it as a design system

One click turns Cerulean 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

• Misty Sky color palette (#ECF9EE, #B7EFFE, #42C5FD, #00A6A1, #06436D)
• Tempered Delta color palette (#FFF3E6, #DBD6E0, #97A7FF, #00878C, #3D2A53)
• Tempered Powder color palette (#F1F7F2, #D4E0EF, #8AD3EB, #76AFA3, #425564)
• Softworn Field color palette (#DFEBE1, #92CADC, #009DDC, #007D7E, #00203F)
• Softworn Cornflower Balcony color palette (#EFF4E6, #ABD4FD, #4082DD, #005C82, #11214D)
• Muted Harbor color palette (#E7F9FF, #C8DEF7, #BFB3B9, #48C8AF, #1D485B)
• Cobalt Studio color palette (#E7F3E9, #69ACBD, #007FAA, #005D5A, #000A17)
• Patina Cornflower color palette (#E3F3E6, #86B6DC, #1F7DFB, #006A7F, #0A0C38)

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