Tempered Cerulean color palette — #D6EAF2 · #008CB4 · #005676 · #003654 · #18183D

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

The five colors

• Frost (#D6EAF2): A whisper-light, dusty blue — the color of deep harbor water.
• Cerulean (#008CB4): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Peacock (#005676): A full-bodied, balanced blue — the color of deep harbor water.
• Deep Teal (#003654): A deep, shadowed, dusty blue — the color of open sky before noon.
• Deep Indigo (#18183D): A deep, shadowed, dusty violet — the color of a velvet chair.

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

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

• Cobalt Courtyard color palette (#DDF2FF, #0077BA, #004E8A, #002E6A, #26024D)
• Antique Lagoon color palette (#D3F9F5, #008C8A, #005C60, #00333A, #051A2D)
• Muted Azure Dune color palette (#D2E2E7, #00A5D5, #0084B6, #006190, #001C35)
• Gentle Iris color palette (#EFDBF0, #A2B7ED, #7A7BC0, #00537F, #142342)
• Faded Cobalt color palette (#DAE8FA, #3B81D5, #003E85, #00193B, #000B1E)
• Hazy Fern Dune color palette (#C5E8DB, #0075A9, #1A6C05, #003E5C, #042201)
• Antique Cobalt Grove color palette (#D3F0FF, #5EACDF, #317EBA, #29588A, #423B60)
• Aubergine Study color palette (#DAE8F8, #0059A9, #790290, #004743, #00112A)

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