Ancient Cerulean Study color palette — #E9F8FF · #00A4B9 · #143E61 · #001822 · #000203

Cerulean takes the lead with Navy close behind in a set that reads as trust and stability at first glance.

The five colors

• Ivory (#E9F8FF): a clean, paper-quiet neutral.
• Cerulean (#00A4B9): A luminous, balanced blue — the color of deep harbor water.
• Navy (#143E61): A deep, shadowed, dusty blue — the color of open sky before noon.
• Ink (#001822): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.
• Black (#000203): quiet, heavy and certain.

Feels like: Trust, Stability, Sophistication. Tagged noir, dark, luxury, muted.

Use it as a design system

One click turns Ancient Cerulean Study 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

• Jade Harbor color palette (#D6FEFF, #00AC78, #004548, #001A1B, #000202)
• Aged Orchard color palette (#CEE6F0, #00B5CB, #50688B, #234755, #001518)
• Periwinkle Atelier color palette (#EEF6FF, #529FFF, #40455B, #171F29, #020609)
• Smoked Cerulean color palette (#C9EBFF, #0083A2, #0B2448, #1A1C22, #000409)
• Shadow Indigo color palette (#E6EEFF, #6364FF, #3B184C, #04031F, #000104)
• Amber Canyon color palette (#EEF6FF, #8EC6FF, #C77500, #7E8615, #03223F)
• Azure Coast color palette (#DAFDFF, #62DCFF, #0CA4F6, #215AAF, #262960)
• Straw Delta color palette (#E4FDE7, #DDE075, #6FA259, #2A796F, #103629)

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