Ultramarine Harbor color palette — #C7E7EF · #00A3DC · #0079E3 · #3F43CA · #221048

Built around Cobalt, softened by Azure — the whole palette hums with trust and stability.

The five colors

• Frost (#C7E7EF): A whisper-light, dusty blue — the color of a favorite pair of jeans.
• Cyan (#00A3DC): A luminous, balanced blue — the color of a favorite pair of jeans.
• Azure (#0079E3): A full-bodied, vivid blue — the color of deep harbor water.
• Cobalt (#3F43CA): A full-bodied, vivid violet — the color of twilight just after sunset.
• Deep Indigo (#221048): A deep, shadowed, balanced 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 Ultramarine Harbor 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 Sapphire color palette (#C8E5F5, #3899FE, #3D5CFF, #6736BF, #300F3F)
• Soft Dune color palette (#D1E5F4, #0089DC, #0069BF, #002A97, #0E184D)
• Indigo Corridor color palette (#ECEFFF, #8BA5FF, #6967FF, #3A37B3, #06002E)
• Soft Turquoise color palette (#D8F2ED, #00ABB8, #0088A4, #006190, #021647)
• Timeworn Parlor color palette (#DCEBFF, #84AFFF, #BC8303, #0A4ED4, #261700)
• Hushed Navy color palette (#DBF4FF, #0072AD, #00478A, #10067A, #0A0032)
• Powdered Clover Terrace color palette (#F7ECD8, #00C652, #716BE6, #2E2D60, #020516)
• Faded Pier color palette (#CCE3FD, #90A7FF, #8D80FF, #9339E4, #541455)

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