Cerulean Hollow color palette — #AAEDF3 · #4FC1D8 · #0082A8 · #005E8B · #433F66

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

The five colors

• Sea Foam (#AAEDF3): A whisper-light, dusty blue — the color of open sky before noon.
• Cyan (#4FC1D8): A luminous, balanced blue — the color of open sky before noon.
• Cerulean (#0082A8): A full-bodied, balanced blue — the color of open sky before noon.
• Peacock (#005E8B): A full-bodied, balanced blue — the color of open sky before noon.
• Navy (#433F66): A deep, shadowed, dusty violet — the color of twilight just after sunset.

Feels like: Trust, Stability, Calm, Balance. Tagged cool.

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

• Frosted Cobalt Workshop color palette (#BCE7FF, #7AB1E9, #4C79B8, #455495, #444066)
• Tempered Cobalt Canyon color palette (#C2F8E7, #6CCBD4, #089EC6, #016EB6, #3F4573)
• Chalky Teal color palette (#B5F2D9, #53C3B7, #009192, #00656F, #214A60)
• Ancient Summit color palette (#EDF6FF, #8FC0EB, #4075AD, #004471, #022D51)
• Feathered Petrol Corridor color palette (#ECF7FF, #5CA9D4, #BA774E, #006E9A, #5F371D)
• Onyx Study color palette (#C7E5EC, #007A9A, #004669, #002040, #010044)
• Chalky Workshop color palette (#D7F4FF, #009EDA, #005FA4, #041FB3, #201F7A)
• Cobalt Summit color palette (#EDF6FF, #3990CB, #AA6176, #60712F, #243A4D)

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