Ancient Cerulean color palette — #C4E8F5 · #008BB8 · #00517D · #00254B · #17013A

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

The five colors

• Frost (#C4E8F5): A whisper-light, dusty blue — the color of deep harbor water.
• Cerulean (#008BB8): A full-bodied, balanced blue — the color of open sky before noon.
• Peacock (#00517D): A full-bodied, balanced blue — the color of open sky before noon.
• Midnight (#00254B): A deep, shadowed, balanced blue — the color of a favorite pair of jeans.
• Deep Indigo (#17013A): A deep, shadowed, balanced violet — the color of twilight just after sunset.

Feels like: Trust, Stability, Creativity, Calm, Balance. Tagged 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

• Pale Denim Balcony color palette (#D5E7DE, #00A9C3, #0082B1, #004F9E, #001A2C)
• Patina Corridor color palette (#CDEFEB, #008F96, #00505C, #002B37, #001621)
• Wandering Onyx Basin color palette (#CFF9F1, #008192, #004A6C, #000E5B, #060019)
• Nightshade Parlor color palette (#CDE4F6, #3380C6, #003EB6, #100078, #14004E)
• Washed Navy Parlor color palette (#D1F0EA, #00A4B2, #006C95, #002896, #1A003A)
• Aged Garden color palette (#DEECCC, #006E9A, #003A7D, #400040, #00182A)
• Abyss Parlor color palette (#D8E2DA, #ADBEB4, #789689, #004E58, #132419)
• Hushed Aubergine Boulevard color palette (#D9E3FF, #6E72C7, #4B1F9F, #390064, #28003B)

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