Cobalt Basin color palette — #C9EFEB · #3C7CBE · #5E3A6D · #283100 · #001F0A

Built around Cerulean, softened by Royal Purple — the whole palette hums with nature and growth.

The five colors

• Honeydew (#C9EFEB): A whisper-light, dusty teal — the color of shallow lagoons.
• Cerulean (#3C7CBE): A full-bodied, balanced blue — the color of deep harbor water.
• Royal Purple (#5E3A6D): A full-bodied, balanced pink — the color of neon signs at night.
• Deep Forest (#283100): A deep, shadowed, dusty green — the color of new leaves after rain.
• Ink (#001F0A): A deep, shadowed, dusty teal — the color of glacier melt.

Feels like: Nature, Growth, Trust, Stability, Creativity, Balance. Tagged vintage, retro, muted.

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

• Timeworn Corridor color palette (#CBEDDD, #00809E, #473B7E, #432800, #2B1900)
• Washed Violet color palette (#E2F0FF, #8A64C0, #782B39, #00311D, #001918)
• Timeworn Navy color palette (#E9DAE2, #1D9EC3, #00498A, #003128, #10083A)
• Dusty Aubergine Study color palette (#D5DEF3, #6968A3, #533878, #44091C, #200002)
• Linen Summit color palette (#D5F5FC, #6E97C9, #866AA5, #5A5801, #022402)
• Iris Loft color palette (#E1E8FA, #807EC6, #674C8C, #5A2633, #380305)
• Dusty Ash Garden color palette (#D9E5FA, #A88CBC, #905957, #215253, #183745)
• Antique Hollow color palette (#CFEEF4, #7E99FF, #9D538B, #4E571F, #3B4300)

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