Tempered Cerulean Basin color palette — #F3F6EE · #C1E5DB · #688CBD · #2B6989 · #573E54

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

The five colors

• Ivory (#F3F6EE): bright and airy, almost weightless.
• Silver (#C1E5DB): A whisper-light, dusty teal — the color of glacier melt.
• Slate Blue (#688CBD): A luminous, balanced blue — the color of open sky before noon.
• Peacock (#2B6989): A full-bodied, balanced blue — the color of deep harbor water.
• Charcoal (#573E54): A deep, shadowed, dusty pink — the color of neon signs at night.

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

Use it as a design system

One click turns Tempered 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

• Cerulean Hollow color palette (#F4F6ED, #C7E4D7, #5B91B5, #286C7C, #1D5247)
• Dusty Petrol Ridge color palette (#F7F1EB, #C8E3DB, #788CC1, #006A78, #3F2131)
• Antique Azure color palette (#EDF8F7, #D7DAF1, #91C0FF, #4FA2CE, #364864)
• Washed Abyss color palette (#E3E6DA, #5588A2, #004162, #002129, #000A18)
• Denim Meadow color palette (#DFE2D1, #6AAAB9, #00617A, #003D41, #002332)
• Hushed Olive color palette (#E6FCE5, #009C9B, #597BB4, #567422, #2B3E2B)
• Aqua Pier color palette (#F5F7E4, #5DC9DA, #007B92, #005656, #00394A)
• Patina Courtyard color palette (#C2F9E4, #56BCA4, #009182, #00645F, #0A475C)

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