Antique Cerulean color palette — #C4E6F1 · #0090BB · #00739D · #004E76 · #001428

Cerulean and Slate set the tone — five colors that lean into trust and stability.

The five colors

• Frost (#C4E6F1): A whisper-light, dusty blue — the color of open sky before noon.
• Cerulean (#0090BB): A luminous, balanced blue — the color of open sky before noon.
• Slate (#00739D): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Peacock (#004E76): A full-bodied, balanced blue — the color of deep harbor water.
• Ink (#001428): A deep, shadowed, dusty blue — the color of open sky before noon.

Feels like: Trust, Stability, Calm, Balance. Tagged cool.

Use it as a design system

One click turns Antique Cerulean 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

• Washed Bloom color palette (#DAEFF1, #0093B2, #005B83, #002241, #000106)
• Powdered Navy Atelier color palette (#DDEEFA, #008DDC, #0066BE, #0044A5, #030541)
• Tempered Lagoon Corridor color palette (#D4E6DF, #00A18B, #00786F, #00514F, #001819)
• Ancient Raspberry color palette (#DEF1EB, #0093E9, #D816A6, #0067A5, #220018)
• Washed Byzantium color palette (#E3F0FF, #007EE1, #A734C8, #00776E, #000716)
• Lilac Field color palette (#DDEBFF, #C5AAEE, #A394FB, #0080C1, #081234)
• Sapphire Coast color palette (#D9E6F9, #4A9BFF, #016DEC, #004591, #00020A)
• Powdered Lapis Alley color palette (#E6EDFF, #6874FF, #5F46F3, #4B1EA0, #1F0242)

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