Ultramarine Boulevard color palette — #E4F1FC · #427FD7 · #274DB9 · #2B1977 · #1E0441

Built around Cobalt, softened by Azure — the whole palette hums with trust and stability.

The five colors

• Frost (#E4F1FC): A whisper-light, dusty blue — the color of a favorite pair of jeans.
• Azure (#427FD7): A full-bodied, balanced blue — the color of deep harbor water.
• Cobalt (#274DB9): A full-bodied, vivid violet — the color of wild irises.
• Royal Purple (#2B1977): A deep, shadowed, balanced violet — the color of a velvet chair.
• Deep Indigo (#1E0441): A deep, shadowed, balanced violet — the color of wild irises.

Feels like: Trust, Stability, Creativity, Balance. Tagged cool.

Use it as a design system

One click turns Ultramarine Boulevard 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

• Nightshade Harbor color palette (#CCE5F9, #5F9DF1, #4F69E3, #4535BE, #34195F)
• Ancient Lapis color palette (#E3EFFF, #7794E2, #535ABB, #4C3381, #2F1543)
• Worn Nightshade Summit color palette (#DEDBFA, #9383D8, #5443A7, #2B0064, #060018)
• Wandering Workshop color palette (#D9E4FB, #5F5FCF, #490FAA, #330056, #1A0022)
• Linen Grape color palette (#E7EDFF, #8272D7, #7036AB, #4C0F6B, #240028)
• Sunlit Cerulean color palette (#C0E9EF, #008FB2, #005A7D, #003459, #011148)
• Washed Denim color palette (#E5ECFF, #D7BDF2, #C186AE, #35649C, #1C1335)
• Hushed Nightshade color palette (#D8E3F9, #6977CC, #7E6900, #3129AD, #171200)

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