Cobalt Basin color palette — #E4F8E8 · #71C6F8 · #0073CB · #00505B · #061444

Built around Royal Blue, softened by Sky — the whole palette hums with trust and stability.

The five colors

• Honeydew (#E4F8E8): A whisper-light, dusty teal — the color of glacier melt.
• Sky (#71C6F8): A luminous, balanced blue — the color of open sky before noon.
• Royal Blue (#0073CB): A full-bodied, vivid blue — the color of deep harbor water.
• Peacock (#00505B): A deep, shadowed, dusty blue — the color of deep harbor water.
• Deep Indigo (#061444): A deep, shadowed, balanced violet — the color of a velvet chair.

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

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

• Hushed Aqua color palette (#E9F6EB, #55CFE0, #007E9D, #00524A, #001D2D)
• Dusty Sapphire Thicket color palette (#FFF3E8, #6EC2F2, #0068DA, #005558, #29276C)
• Feathered Cornflower color palette (#F3F8E7, #90D4FF, #0092E8, #006E8A, #003265)
• Feathered Denim Studio color palette (#DAE7DD, #53A4DE, #1E56A1, #003843, #040527)
• Hushed Delta color palette (#EDF4EE, #D8DBEE, #869DC5, #3C7386, #2E3648)
• Hazy Iris color palette (#FFF1F7, #DAD5EA, #6395FF, #00736C, #281551)
• Lagoon Meadow color palette (#D4E3D7, #12898C, #00434F, #002018, #000103)
• Powdered Mulberry Cabin color palette (#E1E7DA, #5B8000, #0068AB, #990041, #091100)

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