Ultramarine Alley color palette — #C9EFF9 · #0091C3 · #0061BA · #252A8A · #2D1D54
Built around Cobalt, softened by Indigo — the whole palette hums with trust and stability.
The five colors
- Frost (#C9EFF9): A whisper-light, dusty blue — the color of a favorite pair of jeans.
- Cerulean (#0091C3): A luminous, balanced blue — the color of a favorite pair of jeans.
- Cobalt (#0061BA): A full-bodied, balanced blue — the color of open sky before noon.
- Indigo (#252A8A): A deep, shadowed, balanced violet — the color of twilight just after sunset.
- Deep Indigo (#2D1D54): A deep, shadowed, balanced violet — the color of a velvet chair.
Feels like: Trust, Stability, Creativity, Calm, Balance. Tagged 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
- Feathered Cerulean Parlor color palette (#C5F2F4, #0098B8, #006085, #003B6F, #1D215E)
- Patina Corridor color palette (#D9E8F3, #4FA3EE, #006DD2, #053DB7, #1A2B6A)
- Softworn Nightshade Corridor color palette (#E0E4FF, #7490E1, #3A49B1, #1D1673, #100248)
- Nightshade Ridge color palette (#DDECF4, #1B6DD8, #372CB3, #3C0074, #2D0643)
- Airy Grape color palette (#D6ECFF, #5A80E6, #563EBD, #551F7A, #461C4E)
- Blush Thicket color palette (#E3EFFF, #CFC6FC, #CB79A7, #006C87, #292F52)
- Quiet Navy Boulevard color palette (#CBE0FF, #577BCC, #935C00, #1B3E9E, #3C2200)
- Sapphire Field color palette (#E6EFFF, #3466C4, #7F5500, #594D00, #0D1E3D)
Browse the whole catalog at Explore, or see today's palette.