Cerulean Harbor color palette — #DFEFE2 · #428390 · #004257 · #001F1D · #000103

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

The five colors

• Honeydew (#DFEFE2): A whisper-light, dusty teal — the color of shallow lagoons.
• Slate (#428390): A full-bodied, dusty blue — the color of deep harbor water.
• Deep Teal (#004257): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.
• Ink (#001F1D): A deep, shadowed, dusty teal — the color of glacier melt.
• Black (#000103): a grounded near-black with real depth.

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

Use it as a design system

One click turns Cerulean Harbor 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

• Aged Onyx color palette (#F3E4DE, #4E8B98, #004064, #002317, #03002E)
• Moonless Petrol color palette (#DAE9F2, #006C8B, #003042, #000B13, #000103)
• Weathered Ultramarine Summit color palette (#D2EDFD, #6992BA, #4F5AAE, #003537, #000305)
• Hushed Denim Thicket color palette (#E4EDE5, #66AAAA, #006371, #003B2D, #000D14)
• Inked Garnet Station color palette (#C7E5F4, #005666, #691F00, #00232B, #040000)
• Timeworn Petrol Parlor color palette (#E1ECE3, #8ABBD6, #2D6FAA, #004A53, #03113B)
• Garnet Ridge color palette (#D6F4FF, #004254, #5A0042, #282300, #000102)
• Dusty Cobalt color palette (#EBF5ED, #A4D9ED, #288CC2, #006264, #00254B)

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