Ultramarine Alley color palette — #C1E9EE · #00B2D8 · #0085C4 · #0041E2 · #2E2875

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

The five colors

• Frost (#C1E9EE): A whisper-light, dusty blue — the color of open sky before noon.
• Cyan (#00B2D8): A luminous, balanced blue — the color of open sky before noon.
• Cerulean (#0085C4): A full-bodied, balanced blue — the color of open sky before noon.
• Cobalt (#0041E2): A full-bodied, vivid violet — the color of a velvet chair.
• Royal Purple (#2E2875): A deep, shadowed, balanced violet — the color of twilight just after sunset.

Feels like: Trust, Stability, Creativity, Calm, Energy. Tagged vibrant, cool.

Use it as a design system

One click turns Ultramarine Alley 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

• Sapphire Bloom color palette (#D0EAE7, #00C3E7, #019BEA, #1A5CF1, #3C1B77)
• Weathered Hollow color palette (#D9EEEB, #00B6C5, #0082A6, #005E90, #012B6B)
• Cobalt Corridor color palette (#CFF4FF, #57CCFF, #0092D2, #004A8D, #0C1866)
• Grape Boulevard color palette (#DFF0FB, #51A7FF, #4F5AFF, #6400D9, #4A1A67)
• Nightshade Quarry color palette (#E2EEFF, #8AADFF, #146FF8, #0032C4, #050360)
• Navy Grove color palette (#D6E5EC, #0077B4, #0042A9, #230074, #0A001B)
• Iris Ridge color palette (#DBEEFC, #76B8FF, #737AFF, #6B4CC4, #58306C)
• Muted Periwinkle color palette (#E6F6FF, #8BCBED, #5E9EDF, #5F71A8, #454C67)

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