Ancient Cerulean color palette — #DFECE1 · #428C9C · #004359 · #002220 · #000A16

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

The five colors

• Honeydew (#DFECE1): A whisper-light, dusty teal — the color of sea glass.
• Cerulean (#428C9C): A full-bodied, dusty blue — the color of deep harbor water.
• Deep Teal (#004359): A deep, shadowed, dusty blue — the color of deep harbor water.
• Onyx (#002220): A deep, shadowed, dusty teal — the color of glacier melt.
• Ink (#000A16): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.

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

Use it as a design system

One click turns Ancient 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

• Tempered Thicket color palette (#E5EFE7, #4D85B6, #00318F, #00212A, #05002C)
• Washed Market color palette (#DEE0D1, #63ADBD, #00819F, #005D60, #000B12)
• Denim Delta color palette (#F8E5DC, #42A1B3, #005E8D, #003D2A, #02012C)
• Cobalt Workshop color palette (#E6F2E8, #80B9DC, #096AB8, #004E59, #1A2B57)
• Velvet Fern color palette (#CEE9DB, #52611E, #302D00, #170F00, #010500)
• Shadow Cabin color palette (#EAD9E4, #8E2900, #004655, #3E0D00, #00070B)
• Charred Lantern color palette (#F2DBCB, #914900, #4C1E00, #1E271F, #130500)
• Soft Cobalt Meadow color palette (#EEF8F0, #97D9F4, #0088C8, #00666A, #1F406A)

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