Ancient Cobalt color palette — #E5F8E8 · #88C4E8 · #0073CB · #00505B · #040E4E

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

The five colors

• Honeydew (#E5F8E8): A whisper-light, dusty teal — the color of shallow lagoons.
• Sky (#88C4E8): A luminous, balanced blue — the color of a favorite pair of jeans.
• Royal Blue (#0073CB): A full-bodied, vivid blue — the color of deep harbor water.
• Peacock (#00505B): A deep, shadowed, dusty blue — the color of deep harbor water.
• Deep Indigo (#040E4E): A deep, shadowed, balanced violet — the color of twilight just after sunset.

Feels like: Trust, Stability, Creativity, Calm, Balance. Tagged coastal, cool, light.

Use it as a design system

One click turns Ancient Cobalt 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

• Hushed Cobalt Quarry color palette (#EAF5EC, #B0CCDF, #4981B0, #005A63, #0B1F42)
• Airy Thicket color palette (#FFF3E9, #8DBEDF, #375FE2, #005653, #392166)
• Dusty Denim color palette (#DEEBE1, #78A2C2, #1956A5, #003843, #040031)
• Cornflower Quarry color palette (#FCF4E7, #95D4FA, #0B8EF6, #00707F, #162C6D)
• Ash Lagoon color palette (#EDF4EE, #D8DBEE, #859DC7, #3D7386, #2C364C)
• Worn Lagoon Harbor color palette (#DEEDE0, #3E8587, #00434F, #002018, #000103)
• Antique Garden color palette (#BDFFFA, #71E7FF, #3AAAF8, #00734C, #002022)
• Weathered Emerald color palette (#CBE7CF, #00A26B, #006954, #004740, #002123)

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