Ultramarine Basin color palette — #D3E9E7 · #009AC8 · #235BD1 · #480086 · #2A0028

Cobalt and Royal Purple set the tone — five colors that lean into trust and stability.

The five colors

• Frost (#D3E9E7): A whisper-light, dusty teal — the color of sea glass.
• Cerulean (#009AC8): A luminous, balanced blue — the color of open sky before noon.
• Cobalt (#235BD1): A full-bodied, vivid violet — the color of a velvet chair.
• Royal Purple (#480086): A deep, shadowed, vivid violet — the color of a velvet chair.
• Deep Indigo (#2A0028): A deep, shadowed, balanced pink — the color of peonies in June.

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

Use it as a design system

One click turns Ultramarine Basin 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

• Pale Lapis color palette (#D6F7FD, #1D96DB, #4A47CB, #5F006E, #31001A)
• Tempered Ultramarine color palette (#D6ECEA, #02ABF2, #3A53CD, #3E005F, #0D0007)
• Ancient Nightshade Lantern color palette (#D5EFFF, #0078CB, #2D0FD3, #29006A, #200034)
• Tempered Indigo Lantern color palette (#DEF3FF, #47A0FF, #4F70FB, #5B41AD, #1F0035)
• Nightshade Harbor color palette (#E8E2CD, #0091A0, #513DBA, #3B3A00, #001927)
• Hazy Nightshade color palette (#D5E9DE, #00A5A1, #006988, #1600BC, #1E003C)
• Misty Aubergine color palette (#D9EEFF, #685DC4, #700086, #46002C, #0D0100)
• Gentle Byzantium color palette (#E0F1FF, #6C88E9, #8C26AE, #6C0050, #2F0007)

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