Ancient Cerulean color palette — #D3FCF1 · #AFD2F7 · #648BB5 · #344E77 · #28112A

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

The five colors

• Honeydew (#D3FCF1): A whisper-light, dusty teal — the color of shallow lagoons.
• Lilac Frost (#AFD2F7): A whisper-light, dusty blue — the color of open sky before noon.
• Slate Blue (#648BB5): A luminous, dusty blue — the color of open sky before noon.
• Peacock (#344E77): A full-bodied, dusty blue — the color of a favorite pair of jeans.
• Deep Indigo (#28112A): A deep, shadowed, dusty pink — the color of a candy shop window.

Feels like: Trust, Stability, Calm, Sophistication. Tagged monochrome, 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

• Patina Grove color palette (#FFEBF7, #C5C0EE, #847FB5, #484672, #18193A)
• Timeworn Lagoon Hollow color palette (#DDFBE3, #A0DDE8, #41959A, #00535F, #002325)
• Petrol Alley color palette (#EEF6FF, #BAD7F8, #6FA3D4, #396CA8, #1E3555)
• Cobalt Hollow color palette (#F6EFF4, #B7C1EB, #AE7162, #5F6CAD, #1F120C)
• Dusty Denim Canyon color palette (#F9EEF6, #CEC39E, #565F85, #40283A, #191117)
• Tempered Terrace color palette (#E5F7EF, #E9D3CB, #A9A998, #759173, #463544)
• Antique Nightshade color palette (#E0DDFF, #9D88E9, #5049AF, #21096A, #07001F)
• Navy Courtyard color palette (#DDE6FE, #1D56AF, #080084, #280D17, #00061A)

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