Cerulean Basin color palette — #ECF8F7 · #D9DDE8 · #8FC1EA · #0390B1 · #28415C

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

The five colors

• Ivory (#ECF8F7): bright and airy, almost weightless.
• Silver (#D9DDE8): a clean, paper-quiet neutral.
• Sky (#8FC1EA): A luminous, dusty blue — the color of deep harbor water.
• Cerulean (#0390B1): A luminous, balanced blue — the color of deep harbor water.
• Navy (#28415C): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.

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

• Muted Dune color palette (#EFF7F6, #D6DEEA, #92D8EC, #4CA2A2, #325264)
• Softworn Boulevard color palette (#E9F9F6, #A4D5E6, #008A9B, #00524D, #000F15)
• Ultramarine Orchard color palette (#E3F1F1, #8DBCE8, #0064C8, #003A52, #000014)
• Softworn Turquoise Pier color palette (#EFF7F5, #D3E1EE, #1ABCC4, #00816F, #00353C)
• Cerulean Cabin color palette (#F4F6EE, #B9E9D7, #5690BF, #236C82, #534054)
• Timeworn Denim color palette (#E4F2F0, #76ABBC, #005D7A, #002B2F, #000103)
• Azure Dune color palette (#E9F9F8, #D5DBF8, #4396E6, #006585, #041C43)
• Hushed Blush color palette (#FEF0FF, #E9D4D9, #AEB6AC, #D790A6, #533B52)

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