Ultramarine Delta color palette — #C5EFF6 · #209AD5 · #2763B6 · #392B7B · #2C1540

Cobalt takes the lead with Cerulean close behind in a set that reads as trust and stability at first glance.

The five colors

• Frost (#C5EFF6): A whisper-light, dusty blue — the color of deep harbor water.
• Cerulean (#209AD5): A luminous, balanced blue — the color of open sky before noon.
• Cobalt (#2763B6): A full-bodied, balanced blue — the color of deep harbor water.
• Royal Purple (#392B7B): A deep, shadowed, balanced violet — the color of twilight just after sunset.
• Deep Indigo (#2C1540): A deep, shadowed, balanced violet — the color of wild irises.

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

Use it as a design system

One click turns Ultramarine Delta 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

• Antique Nightshade Quarry color palette (#DDF3FF, #4E98CD, #306DC7, #2F3DA2, #3B3568)
• Lapis Cabin color palette (#DBEEFC, #6D8CDD, #644FAC, #54276A, #380A2C)
• Sunlit Navy color palette (#D5E8E1, #00A4B1, #007398, #00437F, #171A42)
• Cornflower Balcony color palette (#EAF8FF, #7DC3FF, #4E87DD, #395099, #292353)
• Weathered Station color palette (#F0F0FF, #92A0E5, #5558AB, #252C74, #0F0036)
• Aged Indigo color palette (#BCE6FF, #72ADE9, #716EBA, #613E7B, #371D3A)
• Patina Pier color palette (#DAF5FF, #0075AC, #2923B4, #2D005C, #190021)
• Feathered Denim color palette (#F2E4F2, #6293D5, #917A19, #0051AA, #231B00)

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