Ancient Cerulean Basin color palette — #ECF4ED · #BFE1FF · #6D8EC7 · #22687C · #222C41

Built around Slate Blue, softened by Peacock — the whole palette hums with trust and stability.

The five colors

• Cream (#ECF4ED): bright and airy, almost weightless.
• Powder Blue (#BFE1FF): A whisper-light, dusty blue — the color of open sky before noon.
• Slate Blue (#6D8EC7): A luminous, balanced violet — the color of a velvet chair.
• Peacock (#22687C): A full-bodied, dusty blue — the color of open sky before noon.
• Midnight (#222C41): A deep, shadowed, dusty violet — the color of a velvet chair.

Feels like: Trust, Stability, Calm, Sophistication. Tagged coastal, cool, light, muted.

Use it as a design system

One click turns Ancient Cerulean 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

• Tempered Drift color palette (#FAF4EE, #BCE7DA, #7889B4, #006F7C, #474266)
• Weathered Turquoise color palette (#D9E8DC, #4AABC0, #006180, #003A37, #000C19)
• Washed Cerulean color palette (#E9F6EB, #9ED0E2, #2289A1, #005D4F, #052335)
• Patina Villa color palette (#DFEAE1, #1383AC, #003E66, #001F22, #000106)
• Antique Clover color palette (#E0F8F2, #87B454, #9D7BC5, #526F2F, #242342)
• Patina Moss Veranda color palette (#D6FBF4, #56A42E, #5480BF, #9D5055, #042420)
• Muted Powder color palette (#FDF2F5, #D8D3DE, #A6B7F7, #3A9192, #3A3C59)
• Weathered Powder color palette (#D4FCF3, #ABDCF2, #95B8E1, #7C8155, #1B3736)

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