Cerulean Basin color palette — #ECF4ED · #99D2DE · #0088AE · #005C55 · #002339

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

The five colors

• Cream (#ECF4ED): bright and airy, almost weightless.
• Sky (#99D2DE): A whisper-light, dusty blue — the color of open sky before noon.
• Cerulean (#0088AE): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Peacock (#005C55): A full-bodied, dusty teal — the color of glacier melt.
• Midnight (#002339): A deep, shadowed, dusty blue — the color of deep harbor water.

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

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

• Azure Delta color palette (#EDF4EE, #BFE1FA, #4D93D1, #006B77, #1B2C46)
• Weathered Lagoon color palette (#FEF3ED, #85D3E2, #3E7FA8, #176145, #4B3046)
• Antique Sapphire color palette (#E4EBE5, #90B9D6, #006AC9, #004956, #08103B)
• Hushed Cerulean color palette (#E2EDE4, #24859C, #00415A, #001F1E, #000104)
• Hushed Chapel color palette (#DCE7DE, #55A9C4, #005F89, #00393A, #000B1D)
• Softworn Aqua color palette (#D6FAFA, #9CE9DD, #64C2DC, #54804F, #0B2B2E)
• Worn Balcony color palette (#D1FBFF, #52B997, #007F5D, #003C2A, #00130D)
• Misty Balcony color palette (#ECF1E0, #71A24C, #008338, #004B30, #002C22)

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