Aged Cobalt Boulevard color palette — #E9F9F8 · #A6CAE8 · #4C7CAA · #005C77 · #243C59

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

The five colors

• Ivory (#E9F9F8): bright and airy, almost weightless.
• Sky (#A6CAE8): A whisper-light, dusty blue — the color of deep harbor water.
• Slate (#4C7CAA): A full-bodied, balanced blue — the color of deep harbor water.
• Peacock (#005C77): A full-bodied, balanced blue — the color of deep harbor water.
• Navy (#243C59): A deep, shadowed, dusty blue — the color of open sky before noon.

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

Use it as a design system

One click turns Aged 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

• Tempered Cobalt color palette (#F8EFF2, #B1CBE1, #5B7BB6, #005A61, #1D1A3F)
• Tempered Balcony color palette (#E7FAF6, #8CDFE0, #00909C, #00685D, #004854)
• Aged Petrol color palette (#DFF4F0, #80BDC6, #007589, #00504F, #003343)
• Washed Periwinkle color palette (#FBF4ED, #B9DED1, #7495D2, #007A84, #363363)
• Washed Studio color palette (#F3F7ED, #C3E5FF, #6EB7FF, #2B98C0, #253B5B)
• Ancient Abyss color palette (#D1E3E0, #5D9AA7, #005266, #002F31, #001721)
• Sunlit Hollow color palette (#D6F5FC, #00A39B, #716DBE, #00645F, #312E5C)
• Navy Garden color palette (#DCF5F4, #6184A5, #003A79, #00202F, #00022C)

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