Cerulean Basin color palette — #DEF4FE · #0090BD · #004A62 · #001D28 · #000A10

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

The five colors

• Frost (#DEF4FE): A whisper-light, dusty blue — the color of deep harbor water.
• Cerulean (#0090BD): A luminous, balanced blue — the color of open sky before noon.
• Navy (#004A62): A deep, shadowed, dusty blue — the color of deep harbor water.
• Midnight (#001D28): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.
• Ink (#000A10): A deep, shadowed, dusty blue — the color of open sky before noon.

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

Use it as a design system

One click turns Cerulean Basin 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

• Midnight Corridor color palette (#D8E2EC, #007BCA, #00385F, #001123, #000307)
• Dusty Boulevard color palette (#D2EEFC, #00A4CD, #00718D, #003647, #000B11)
• Muted Lagoon Study color palette (#CCF7ED, #008F7A, #004F42, #00221C, #000D09)
• Worn Cornflower color palette (#C7E5F9, #86BDE7, #3B86E9, #005B6C, #032A40)
• Ultramarine Delta color palette (#E0ECFF, #4C95FF, #0051B6, #002867, #001A41)
• Sunlit Villa color palette (#DADEEB, #6B69C5, #62007A, #2F008B, #04010F)
• Nightshade Workshop color palette (#E4EAFF, #6175E7, #3100B6, #0D0057, #04002B)
• Magenta Lantern color palette (#C6E8E0, #D731FF, #2876FF, #140830, #02060F)

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