Cobalt Hollow color palette — #C7F4FD · #00A0D3 · #0670C6 · #344388 · #342F57

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

The five colors

• Frost (#C7F4FD): A whisper-light, dusty blue — the color of open sky before noon.
• Cerulean (#00A0D3): A luminous, balanced blue — the color of open sky before noon.
• Royal Blue (#0670C6): A full-bodied, balanced blue — the color of deep harbor water.
• Indigo (#344388): A full-bodied, balanced violet — the color of a velvet chair.
• Navy (#342F57): A deep, shadowed, dusty violet — the color of a velvet chair.

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

Use it as a design system

One click turns Cobalt 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

• Gentle Cobalt color palette (#C8F2F3, #26BDE5, #3188D5, #3F539E, #3D325D)
• Sunlit Balcony color palette (#D2E4DF, #00B1B8, #00768D, #004F70, #303053)
• Weathered Periwinkle Lantern color palette (#BEE6FF, #61A6FC, #5F6FC4, #574D82, #5E3C48)
• Washed Ultramarine Basin color palette (#CBEAF5, #007CBA, #0041BC, #261681, #2A114F)
• Washed Periwinkle color palette (#EFF3FF, #80A2FB, #4856A8, #262C6F, #10224C)
• Faded Cornflower color palette (#FDE6FC, #498CEE, #A86800, #1E54A0, #4D2D01)
• Frosted Balcony color palette (#DAE9FF, #8A96FF, #6C4DB8, #683473, #4D2646)
• Muted Cornflower color palette (#CFF5F0, #FFB277, #4C91EC, #462934, #261B27)

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