Cobalt Basin color palette — #C0E8F1 · #57ADD2 · #0080CA · #003F42 · #000509

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

The five colors

• Frost (#C0E8F1): A whisper-light, dusty blue — the color of deep harbor water.
• Cyan (#57ADD2): A luminous, balanced blue — the color of open sky before noon.
• Cerulean (#0080CA): A full-bodied, balanced blue — the color of open sky before noon.
• Deep Teal (#003F42): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.
• Ink (#000509): A deep, shadowed, dusty blue — the color of deep harbor water.

Feels like: Trust, Stability, Calm, Balance. Tagged pastel, light, muted, cool.

Use it as a design system

One click turns Cobalt 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

• Cerulean Garden color palette (#D4E7CB, #52AEAD, #00899C, #004C39, #000908)
• Sunlit Cabin color palette (#C8F0E5, #6C90D5, #5758BB, #003046, #000105)
• Sunlit Hollow color palette (#D5F4FF, #57B0E1, #6D67C4, #004E31, #001E23)
• Ancient Azure Dune color palette (#D4F7FF, #16BDF3, #0096E7, #00656B, #001720)
• Soft Violet color palette (#E7EFFF, #8E95D7, #8A62D9, #004678, #02001D)
• Worn Iris color palette (#CFFFFE, #87CFF2, #8893FF, #006549, #000405)
• Misty Periwinkle color palette (#D5FDE9, #99D4FF, #63A5FF, #006A7B, #001F2D)
• Lilac Loft color palette (#FFEAFD, #DFD5ED, #B6A8FF, #397FBC, #371A33)

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