Ultramarine Alley color palette — #C5EEF1 · #0098B9 · #006FA9 · #0033D0 · #0E003C

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

The five colors

• Frost (#C5EEF1): A whisper-light, dusty blue — the color of open sky before noon.
• Cerulean (#0098B9): A luminous, balanced blue — the color of a favorite pair of jeans.
• Peacock (#006FA9): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Cobalt (#0033D0): A full-bodied, vivid violet — the color of wild irises.
• Deep Indigo (#0E003C): A deep, shadowed, balanced violet — the color of a velvet chair.

Feels like: Trust, Stability, Creativity, Calm, Energy, Balance. 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

• Muted Study color palette (#C4EDFC, #0091DE, #0060D5, #3100C0, #200042)
• Ancient Onyx Basin color palette (#CEFBF5, #009CA4, #007A96, #005483, #000A4E)
• Cobalt Balcony color palette (#C8E8F7, #0086BB, #005C91, #002F5A, #001132)
• Lapis Boulevard color palette (#D7E9F6, #2673D9, #3A3FE8, #44008C, #12001C)
• Feathered Azure color palette (#D8E5F1, #0093EA, #AA7300, #0066A6, #180D00)
• Sapphire Hollow color palette (#E1ECFF, #7092F9, #3760F3, #003C94, #000314)
• Cornflower Harbor color palette (#D5E0EC, #017AED, #A26500, #606403, #000718)
• Wandering Fuchsia color palette (#D8ECFE, #B7B6FF, #E479D1, #0086A2, #051742)

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