Ancient Cerulean color palette — #E5F9FF · #71BCC6 · #358EA4 · #34708F · #3B5167

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

The five colors

• Ivory (#E5F9FF): A whisper-light, dusty blue — the color of open sky before noon.
• Cyan (#71BCC6): A luminous, dusty blue — the color of a favorite pair of jeans.
• Cerulean (#358EA4): A luminous, balanced blue — the color of open sky before noon.
• Slate (#34708F): A full-bodied, dusty blue — the color of a favorite pair of jeans.
• Peacock (#3B5167): A full-bodied, dusty blue — the color of a favorite pair of jeans.

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

Use it as a design system

One click turns Ancient 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 Lagoon color palette (#D5FFFA, #8DC4A3, #39927D, #1F766D, #2C5763)
• Cobalt Summit color palette (#E4F2FF, #92B7E3, #6A84BF, #575B8C, #484C68)
• Hushed Denim color palette (#C8F4F8, #89C9C4, #2C93A9, #005A8F, #1F314D)
• Ancient Cabin color palette (#EEFADE, #92D5D5, #4CAECD, #2A7FAE, #684A63)
• Hazy Cabin color palette (#E5FDE4, #8AE7F2, #44CAEA, #5E9EBF, #33574D)
• Denim Basin color palette (#D5F0F7, #00ABDB, #0075B5, #004E97, #283C74)
• Timeworn Driftwood color palette (#ECF7FF, #66A0C1, #B3738D, #757B4D, #314553)
• Deep Petrol color palette (#D2EBEF, #006F83, #00354C, #001627, #050117)

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