Antique Cerulean color palette — #E7FDDF · #72BFC9 · #4489B1 · #3E6892 · #604557

Built around Cerulean, softened by Slate — the whole palette hums with trust and stability.

The five colors

• Honeydew (#E7FDDF): A whisper-light, dusty green — the color of fresh herbs.
• Cyan (#72BFC9): A luminous, dusty blue — the color of deep harbor water.
• Cerulean (#4489B1): A luminous, balanced blue — the color of deep harbor water.
• Slate (#3E6892): A full-bodied, balanced blue — the color of open sky before noon.
• Charcoal Brown (#604557): A full-bodied, dusty pink — the color of a candy shop window.

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

Use it as a design system

One click turns Antique Cerulean 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

• Cobalt Basin color palette (#D8F4DD, #91D4E8, #4EA7CF, #3477AD, #5F445E)
• Washed Study color palette (#F3FAD4, #77C0A7, #30929D, #266B80, #2E564C)
• Softworn Denim color palette (#D1F3FF, #86C3D3, #3D93B8, #185D92, #283C54)
• Dusty Cocoa color palette (#E5FBF4, #87B5DF, #BF8B70, #4577A3, #733D0C)
• Washed Driftwood color palette (#EAF9F3, #E6D5CF, #B7C5B3, #7E9476, #5B4C5C)
• Hazy Market color palette (#CDE7F4, #5698E1, #5A64BE, #563981, #48264E)
• Frosted Indigo Pier color palette (#F9D9FC, #96A8E9, #7A68B2, #74447D, #653C3D)
• Ancient Bronze Delta color palette (#FEF0FF, #769BC6, #AB7F5F, #856E33, #4C3C4E)

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