Ancient Petrol Hollow color palette — #E5F0F9 · #C9DAEC · #ACB8CA · #3878A2 · #242F39

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

The five colors

• Frost (#E5F0F9): bright and airy, almost weightless.
• Powder Blue (#C9DAEC): A whisper-light, dusty blue — the color of deep harbor water.
• Ash (#ACB8CA): A luminous, dusty blue — the color of deep harbor water.
• Slate (#3878A2): A full-bodied, balanced blue — the color of a favorite pair of jeans.
• Onyx (#242F39): A deep, shadowed, dusty blue — the color of open sky before noon.

Feels like: Trust, Stability, Sophistication. Tagged scandi, muted, light.

Use it as a design system

One click turns Ancient Petrol Hollow 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 Denim color palette (#E8F0FC, #BAC4DA, #9CA4BA, #345DA9, #19202A)
• Tempered Violet color palette (#F2F4FF, #DADBF6, #BDB9DA, #7F61C6, #2F3242)
• Azure Dune color palette (#E6F2ED, #E3D1D6, #D1B3B7, #009DDD, #19342B)
• Softworn Workshop color palette (#F1F5FD, #DCD8E2, #C6BDCF, #828DB7, #434852)
• Ancient Teal color palette (#D2EAEA, #54BA9F, #008477, #305C6A, #002F34)
• Aged Cabin color palette (#E7EBFB, #A49FD0, #9179A1, #77464C, #552E26)
• Tempered Iris Atelier color palette (#E4F0FF, #78CAFF, #70ADFF, #777DE7, #112652)
• Muted Ridge color palette (#DFDEEB, #A6A1B7, #8B809B, #5B3069, #090712)

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