Cerulean Delta color palette — #D5E8E5 · #3D8D9B · #004453 · #002223 · #000B12

Cerulean and Deep Teal set the tone — five colors that lean into trust and stability.

The five colors

• Frost (#D5E8E5): A whisper-light, dusty teal — the color of sea glass.
• Cerulean (#3D8D9B): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Deep Teal (#004453): A deep, shadowed, dusty blue — the color of deep harbor water.
• Onyx (#002223): A deep, shadowed, dusty teal — the color of glacier melt.
• Ink (#000B12): A deep, shadowed, dusty blue — the color of open sky before noon.

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

Use it as a design system

One click turns Cerulean Delta 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

• Washed Harbor color palette (#DAEFFE, #589ED3, #3F71C6, #003743, #00111D)
• Timeworn Denim Orchard color palette (#F2E6E0, #5E9EAA, #006084, #003D31, #00091B)
• Washed Basalt color palette (#DCF4FF, #005C68, #3F4200, #00262C, #060600)
• Tempered Petrol Dune color palette (#E3F2F1, #91B6D1, #1F6EA0, #004D5E, #002F56)
• Lowlit Garden color palette (#D2F1FD, #00465A, #3B0086, #002C19, #000203)
• Midnight Chestnut Thicket color palette (#E1EDE0, #72540C, #3D2600, #1C0C00, #050300)
• Muted Cabin color palette (#EBF8F7, #AAD5EE, #008BB9, #006571, #004567)
• Hushed Abyss color palette (#D8E8E6, #50899E, #00425B, #002227, #000A15)

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