Antique Cerulean color palette — #DEF0EE · #3682A1 · #00405E · #001E25 · #000104

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

The five colors

• Honeydew (#DEF0EE): bright and airy, almost weightless.
• Cerulean (#3682A1): A full-bodied, balanced blue — the color of open sky before noon.
• Navy (#00405E): A deep, shadowed, dusty blue — the color of open sky before noon.
• Midnight (#001E25): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.
• Black (#000104): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.

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

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

• Softworn Cerulean Lantern color palette (#CBE8E6, #2D94C6, #004E7A, #002A35, #00040E)
• Timeworn Cornflower Dune color palette (#CFE5FC, #5582D9, #565DAB, #00374E, #000105)
• Cypress Courtyard color palette (#DDEDE9, #7EC2BE, #007A7F, #004C40, #001A1E)
• Abyss Bloom color palette (#E1F3FF, #00546F, #274500, #00222F, #010200)
• Soft Sapphire Study color palette (#E2F7F6, #83C2F9, #1270D1, #004D6A, #011347)
• Shadow Aubergine color palette (#DBECFB, #003F65, #49006A, #002A23, #000103)
• Eclipse Fern color palette (#CBE8D4, #5E5200, #342800, #150C00, #010100)
• Washed Thicket color palette (#D9F0EE, #457FA6, #003D6B, #001E29, #000106)

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