Antique Ultramarine Delta color palette — #C3EAF5 · #008CCF · #0037C2 · #200069 · #0C0014

Cobalt and Deep Indigo set the tone — five colors that lean into trust and stability.

The five colors

• Frost (#C3EAF5): A whisper-light, dusty blue — the color of open sky before noon.
• Cerulean (#008CCF): A luminous, balanced blue — the color of deep harbor water.
• Cobalt (#0037C2): A full-bodied, vivid violet — the color of a velvet chair.
• Deep Indigo (#200069): A deep, shadowed, balanced violet — the color of a velvet chair.
• Ink (#0C0014): A deep, shadowed, dusty 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 Antique 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

• Soft Veranda color palette (#DAF1FC, #297DFE, #3B00DE, #390060, #040004)
• Antique Ridge color palette (#D2E1EB, #0093E8, #0F5FF3, #2A37A2, #120038)
• Deep Nightshade Veranda color palette (#C9E2F9, #0060B2, #0025A5, #090056, #020017)
• Hazy Delta color palette (#CDE9E7, #008DAD, #005179, #000E82, #050011)
• Grape Summit color palette (#DFDEFF, #8F7CFF, #5500CE, #11004D, #01000B)
• Sunlit Courtyard color palette (#E0ECF6, #545FF0, #43009B, #240029, #040002)
• Softworn Aubergine color palette (#E7EBFB, #8360E6, #965500, #450098, #030100)
• Aged Lagoon Ridge color palette (#D2E9DE, #009D8E, #005867, #002E44, #00000C)

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