Tempered Cerulean color palette — #EBF8F8 · #C1E1FC · #5C8EC0 · #356A7F · #354962

A conversation between Slate Blue and Peacock, giving this palette its sense of trust and stability.

The five colors

• Ivory (#EBF8F8): bright and airy, almost weightless.
• Powder Blue (#C1E1FC): A whisper-light, dusty blue — the color of deep harbor water.
• Slate Blue (#5C8EC0): A luminous, balanced blue — the color of deep harbor water.
• Peacock (#356A7F): A full-bodied, dusty blue — the color of open sky before noon.
• Charcoal (#354962): A deep, shadowed, dusty blue — the color of open sky before noon.

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

Use it as a design system

One click turns Tempered 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

• Washed Coast color palette (#B6EDFF, #23C2F9, #007DB1, #175983, #2A4662)
• Softworn Periwinkle color palette (#FAF4EC, #C0E7EA, #81A8D8, #398697, #5A3C54)
• Ancient Terrace color palette (#EDF6FF, #4CA7EE, #B4709B, #226AA0, #4A3A5B)
• Airy Cornflower color palette (#EEF6FF, #3889E6, #9963A5, #047972, #28394D)
• Timeworn Turquoise Alley color palette (#E4F3F1, #44AFBE, #006274, #003E3D, #00242F)
• Weathered Cabin color palette (#EFF6FF, #83B7FE, #4173B3, #20446E, #122C4C)
• Cerulean Orchard color palette (#D1E6E3, #218DAD, #00425C, #002127, #000A15)
• Timeworn Lagoon color palette (#E9F9F6, #85D5D5, #0D8892, #006156, #164051)

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