Cerulean Hollow color palette — #E5EFF5 · #3390A4 · #2F3D4C · #0E2129 · #070E0F

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

The five colors

• Frost (#E5EFF5): a clean, paper-quiet neutral.
• Cerulean (#3390A4): A luminous, balanced blue — the color of open sky before noon.
• Charcoal (#2F3D4C): A deep, shadowed, dusty blue — the color of deep harbor water.
• Midnight (#0E2129): A deep, shadowed, dusty blue — the color of open sky before noon.
• Ink (#070E0F): a grounded near-black with real depth.

Feels like: Trust, Stability, Sophistication. Tagged noir, dark, luxury, 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

• Turquoise Bloom color palette (#E7F6EC, #4BAABF, #625264, #2D3C33, #1F231E)
• Petrol Coast color palette (#D6ECFF, #0073A4, #1E264E, #001220, #000407)
• Patina Bronze color palette (#EBF2FF, #8A9BC9, #B4805F, #8C771F, #1B273D)
• Worn Denim color palette (#CFF1FF, #80BED7, #4A88B7, #3A5694, #283451)
• Driftwood Veranda color palette (#EBF5ED, #ACCCBE, #6E8D65, #396A73, #21362E)
• Timeworn Petrol Studio color palette (#F7EFF2, #D8DBEE, #8C9BC2, #2B7783, #30354B)
• Softworn Loft color palette (#E8F3FF, #96B7DB, #C0925B, #2F74BA, #482431)
• Charred Onyx Ridge color palette (#D5E4ED, #4B4243, #002F3E, #121218, #00010E)

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