Signal Ultramarine color palette — #D1E4F8 · #5B9BFF · #3571FF · #3000E9 · #2B1C87
Cobalt takes the lead with Sapphire close behind in a set that reads as trust and stability at first glance.
The five colors
- Frost (#D1E4F8): A whisper-light, dusty blue — the color of a favorite pair of jeans.
- Cornflower (#5B9BFF): A luminous, vivid blue — the color of deep harbor water.
- Sapphire (#3571FF): A full-bodied, vivid violet — the color of wild irises.
- Cobalt (#3000E9): A full-bodied, vivid violet — the color of wild irises.
- Indigo (#2B1C87): A deep, shadowed, vivid violet — the color of wild irises.
Feels like: Trust, Stability, Creativity, Calm, Energy. Tagged vibrant, cool.
Use it as a design system
One click turns Signal Ultramarine 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
- Flaring Grape color palette (#DCE5FF, #8793FF, #704FFF, #6200DC, #431479)
- Worn Cornflower color palette (#EDF6FF, #80B4FF, #3174FF, #2D3CC5, #181359)
- Signal Archive color palette (#D5E4ED, #059EEE, #2E35FF, #3B00B6, #3F195E)
- Feathered Loft color palette (#D2E9F7, #20ADF9, #007ED7, #0055B3, #002477)
- Feathered Canyon color palette (#CFE3EC, #67B8FF, #6381FF, #6756DB, #431E61)
- Tempered Lagoon color palette (#E6E5FF, #AAA8FF, #784EFD, #4900B7, #1C004E)
- Indigo Field color palette (#EEF2FF, #E2D8FF, #E39DFA, #5567FC, #37285A)
- Aged Nightshade color palette (#E3E9FB, #5754C2, #510AC2, #2F0065, #120026)
Browse the whole catalog at Explore, or see today's palette.