Cerulean Hollow color palette — #ECF8F7 · #C4E6F9 · #70BDE2 · #009DAF · #133F58

A conversation between Cerulean and Sky, giving this palette its sense of trust and stability.

The five colors

• Ivory (#ECF8F7): bright and airy, almost weightless.
• Frost (#C4E6F9): A whisper-light, dusty blue — the color of a favorite pair of jeans.
• Sky (#70BDE2): A luminous, balanced blue — the color of deep harbor water.
• Cerulean (#009DAF): A luminous, balanced blue — the color of open sky before noon.
• Navy (#133F58): A deep, shadowed, dusty blue — the color of open sky before noon.

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

Use it as a design system

One click turns Cerulean Hollow 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

• Timeworn Pier color palette (#EDF7FF, #D7D8EE, #D6B1CD, #51B8E3, #2A4159)
• Azure Harbor color palette (#FBF2F7, #B8DAEE, #5A9BD3, #007D76, #2A385F)
• Aged Turquoise Atelier color palette (#E7F1EE, #A0E1DD, #00BBC1, #00937D, #00353B)
• Azure Canyon color palette (#E0F1FD, #71CBF7, #DB93D8, #009ED3, #4E214D)
• Chalky Orchard color palette (#CFE9F9, #1ABFF1, #A693F5, #00B173, #0A2F42)
• Cobalt Courtyard color palette (#DEEFED, #81A6BE, #007DB2, #005B6B, #000A17)
• Azure Delta color palette (#DFEDEC, #93C8E7, #289AE4, #007995, #002040)
• Weathered Drift color palette (#DFF3EE, #6AC1C1, #0094A0, #006E63, #00181D)

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