Ancient Cobalt Boulevard color palette — #EFF4E8 · #ACD0C6 · #557EB2 · #005677 · #0D1E43

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

The five colors

• Cream (#EFF4E8): a clean, paper-quiet neutral.
• Oat (#ACD0C6): A whisper-light, dusty teal — the color of shallow lagoons.
• Slate (#557EB2): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Peacock (#005677): A full-bodied, balanced blue — the color of open sky before noon.
• Midnight (#0D1E43): A deep, shadowed, dusty violet — the color of twilight just after sunset.

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

Use it as a design system

One click turns Ancient Cobalt Boulevard 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

• Ancient Cobalt color palette (#F0F5E1, #73C7EE, #007AAF, #004F5E, #001B32)
• Cerulean Study color palette (#F2F2EB, #B3D0B5, #008C99, #005C54, #00252D)
• Tempered Workshop color palette (#FEF1F6, #B3C7DB, #5A75BB, #005E69, #3A345C)
• Cerulean Villa color palette (#EAECE0, #3498B1, #005169, #002B2F, #00050A)
• Weathered Petrol Thicket color palette (#EDF8F7, #C0D7EE, #6698D6, #0076A0, #233964)
• Muted Lagoon Market color palette (#CEEBDE, #10A587, #007669, #00504B, #002323)
• Fern Dune color palette (#D6E6D5, #008E8C, #446EB1, #486700, #031A04)
• Ancient Orchard color palette (#E2E3D9, #85A687, #00646D, #003A34, #000D11)

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