Cobalt Hollow color palette — #EFF7F9 · #53C4B8 · #1B6FC4 · #006F67 · #1B2530

A conversation between Royal Blue and Aqua, giving this palette its sense of trust and stability.

The five colors

• Ivory (#EFF7F9): bright and airy, almost weightless.
• Aqua (#53C4B8): A luminous, balanced teal — the color of sea glass.
• Royal Blue (#1B6FC4): A full-bodied, balanced blue — the color of open sky before noon.
• Teal (#006F67): A full-bodied, balanced teal — the color of shallow lagoons.
• Onyx (#1B2530): A deep, shadowed, dusty blue — the color of deep harbor water.

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

• Indigo Veranda color palette (#EDF7FD, #71BBD0, #695FBC, #006B80, #1F2331)
• Patina Indigo Delta color palette (#E9F4F5, #5ACC9E, #6C69BB, #167655, #090D1C)
• Softworn Fern color palette (#EEF8F6, #8DBF7B, #007F83, #337016, #17272C)
• Timeworn Petrol color palette (#E6FCEA, #45A6BB, #336BAC, #7C3432, #254152)
• Weathered Byzantium color palette (#EDF7FF, #20ACFA, #9A00BB, #005B8A, #1D1734)
• Misty Corridor color palette (#D4FCFF, #55C2DD, #0083B7, #0C5198, #30377B)
• Grape Study color palette (#E4F5FC, #00A0B1, #4E00DF, #005059, #080F29)
• Antique Petrol color palette (#EFF7FA, #D7DBE4, #BBBFD7, #14838F, #3D4A4F)

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