Cerulean Study color palette — #CFEBF3 · #0090A9 · #00515D · #001F26 · #000B0F

A conversation between Cerulean and Peacock, giving this palette its sense of trust and stability.

The five colors

• Frost (#CFEBF3): A whisper-light, dusty blue — the color of deep harbor water.
• Cerulean (#0090A9): A luminous, balanced blue — the color of open sky before noon.
• Peacock (#00515D): A deep, shadowed, dusty blue — the color of open sky before noon.
• Midnight (#001F26): A deep, shadowed, dusty blue — the color of open sky before noon.
• Ink (#000B0F): A deep, shadowed, dusty blue — the color of deep harbor water.

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

Use it as a design system

One click turns 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

• Cobalt Garden color palette (#D4EAFF, #107CD7, #004A7D, #002032, #000815)
• Muted Pier color palette (#D0F1E2, #009274, #005534, #00241A, #001007)
• Petrol Basin color palette (#C8E5FB, #00769A, #003A4F, #001321, #000204)
• Worn Garnet Lantern color palette (#D9E9F3, #0082A8, #790022, #003749, #09000A)
• Hushed Turquoise color palette (#BEE6EE, #00AEC9, #006C80, #003841, #00090D)
• Patina Villa color palette (#D3E2EC, #005A74, #7A1B00, #163000, #001017)
• Petrol Drift color palette (#ECF7FF, #72C0E2, #007B9E, #004D5C, #00313D)
• Timeworn Thicket color palette (#D5EEFF, #37A4FF, #00629E, #003157, #001D3C)

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