Ultramarine Basin color palette — #D7EBF4 · #00A4BC · #005FB7 · #005D6B · #00030C

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

The five colors

• Frost (#D7EBF4): A whisper-light, dusty blue — the color of a favorite pair of jeans.
• Cerulean (#00A4BC): A luminous, balanced blue — the color of deep harbor water.
• Cobalt (#005FB7): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Peacock (#005D6B): A full-bodied, dusty blue — the color of deep harbor water.
• Ink (#00030C): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.

Feels like: Trust, Stability, Calm, Balance. Tagged duotone, 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

• Nightshade Lantern color palette (#D4E7F6, #008FC0, #2943B5, #004C68, #000010)
• Worn Station color palette (#D2E9EC, #00AA94, #006B84, #006154, #000408)
• Quiet Alley color palette (#CFEDDE, #0088CD, #2A51AC, #620055, #00172E)
• Pale Amethyst color palette (#E8F3FF, #55B2FF, #7C4BF8, #006DB2, #130633)
• Hazy Balcony color palette (#CBECFD, #0099E9, #0064B8, #0A2496, #0E0049)
• Worn Petrol color palette (#DDE7EE, #B5C7D5, #94A7BA, #006B88, #0E222D)
• Soft Ultramarine Garden color palette (#DBE4F1, #4F8FFB, #783AB3, #0048B7, #030114)
• Antique Basin color palette (#C7E7F6, #006F81, #512AB6, #263D00, #000705)

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