Cerulean Lagoon color palette — #EFF7F7 · #DBDCE7 · #AFCEF9 · #6599B7 · #424E60

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

The five colors

• Ivory (#EFF7F7): bright and airy, almost weightless.
• Silver (#DBDCE7): bright and airy, almost weightless.
• Lilac Frost (#AFCEF9): A whisper-light, dusty blue — the color of deep harbor water.
• Slate Blue (#6599B7): A luminous, dusty blue — the color of a favorite pair of jeans.
• Charcoal Brown (#424E60): A full-bodied, dusty blue — the color of deep harbor water.

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

Use it as a design system

One click turns Cerulean Lagoon 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

• Tempered Azure Orchard color palette (#E7FAF7, #C7E0FF, #009FD3, #006874, #002134)
• Weathered Aqua color palette (#EFF7F5, #D3E0ED, #5CCED8, #389384, #244451)
• Antique Petrol color palette (#F5F1EA, #C5E6EB, #859CC8, #35748A, #442E3D)
• Hushed Stone Workshop color palette (#E9F8FE, #D4DAE6, #8CCAC8, #BBADAF, #42555E)
• Timeworn Courtyard color palette (#DDECE9, #6DAFB2, #00606A, #002C28, #000102)
• Washed Cobalt color palette (#E6FAF9, #A0D2FB, #1B7CD3, #004D68, #000A27)
• Sand Meadow color palette (#EBF8FA, #ABF7EB, #E6C882, #4FACA0, #304E38)
• Aged Stone color palette (#FDF1F7, #EED3D2, #D3A285, #906E84, #4C393F)

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