Cerulean Boulevard color palette — #EEF7F7 · #D9DDE8 · #A7D1F7 · #5D9CB3 · #3B4F66

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

The five colors

• Ivory (#EEF7F7): a clean, paper-quiet neutral.
• Silver (#D9DDE8): a clean, paper-quiet neutral.
• Powder Blue (#A7D1F7): A whisper-light, dusty blue — the color of deep harbor water.
• Slate Blue (#5D9CB3): A luminous, dusty blue — the color of a favorite pair of jeans.
• Peacock (#3B4F66): A full-bodied, dusty blue — the color of open sky before noon.

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

Use it as a design system

One click turns Cerulean 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

• Dusty Terrace color palette (#E9F9F6, #C9DFFF, #00A2C2, #00696B, #00222F)
• Dusty Chapel color palette (#EEF6FF, #A7D0FD, #D1AADF, #68B2A8, #2B3A49)
• Muted Cobalt color palette (#E5FAF9, #98D5F6, #0082C1, #004F60, #000D1E)
• Ancient Lantern color palette (#EEF6FF, #DAD8E3, #99BBDA, #BCB1AE, #485262)
• Ancient Periwinkle color palette (#F6F1EC, #C4E7E9, #779ED5, #387679, #432F3C)
• Tempered Lagoon color palette (#EAFAF1, #BCE6E6, #8FBAA2, #64836D, #2D453D)
• Timeworn Loft color palette (#D9EAEA, #7FA6CD, #16529F, #00283B, #00000C)
• Muted Cypress color palette (#E3F2EF, #7DC6C5, #00757D, #003F37, #000304)

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