Nocturne Cobalt color palette — #C9EFE3 · #007DC0 · #251D44 · #121F22 · #000503

Built around Cerulean, softened by Deep Indigo — the whole palette hums with trust and stability.

The five colors

• Honeydew (#C9EFE3): A whisper-light, dusty teal — the color of glacier melt.
• Cerulean (#007DC0): A full-bodied, balanced blue — the color of open sky before noon.
• Deep Indigo (#251D44): A deep, shadowed, dusty violet — the color of wild irises.
• Onyx (#121F22): a grounded near-black with real depth.
• Ink (#000503): A deep, shadowed, dusty teal — the color of sea glass.

Feels like: Trust, Stability, Creativity, Sophistication, Depth, Luxury. Tagged noir, dark, luxury, muted.

Use it as a design system

One click turns Nocturne Cobalt 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

• Moonless Lagoon color palette (#D5EED4, #008887, #00273F, #0A1517, #000600)
• Muted Meadow color palette (#D9E8F7, #0091E8, #465277, #213141, #00050B)
• Moonless Corridor color palette (#F5DDF3, #2B6FE4, #2F1742, #0B000B, #000201)
• Obsidian Violet color palette (#F5DEE9, #7A5ADA, #3A1430, #221513, #0C0006)
• Iris Quarry color palette (#FFF0FA, #8593FA, #5E3B42, #271A23, #020705)
• Ancient Azure Harbor color palette (#FFF2EB, #B9F0FF, #2E99E5, #006C52, #141941)
• Twilit Ultramarine color palette (#FFE2FB, #1848E3, #1E032C, #050D10, #00000C)
• Lagoon Harbor color palette (#FCF5E4, #9FC98E, #008B6D, #195873, #1A1A00)

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