Petrol Delta color palette — #D5EBF8 · #82A6C4 · #547097 · #4C4761 · #2F253C

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

The five colors

• Frost (#D5EBF8): A whisper-light, dusty blue — the color of open sky before noon.
• Blue Fog (#82A6C4): A luminous, dusty blue — the color of deep harbor water.
• Slate (#547097): A full-bodied, dusty blue — the color of open sky before noon.
• Charcoal Brown (#4C4761): A full-bodied, dusty violet — the color of a velvet chair.
• Onyx (#2F253C): A deep, shadowed, dusty violet — the color of wild irises.

Feels like: Trust, Stability, Sophistication. Tagged vintage, retro, muted.

Use it as a design system

One click turns Petrol Delta 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

• Dusty Powder color palette (#E3F1FF, #9DB5DF, #7A88AB, #60556C, #382C3B)
• Glacier Terrace color palette (#D7FFF7, #ACE4FF, #8A97BB, #836973, #533442)
• Feathered Azure Lantern color palette (#DAEDF6, #00A2E2, #0068A0, #014479, #082244)
• Patina Cobalt Bloom color palette (#E6F5F5, #9FCCF9, #537DB6, #185573, #102039)
• Pale Drift color palette (#D1E0FF, #9095E5, #715B8E, #6C2E3D, #480008)
• Patina Cobalt color palette (#DBF0FF, #4978B6, #3E4584, #43173A, #230210)
• Ancient Study color palette (#EBF2FF, #739FFF, #3A62B9, #1B326E, #00052E)
• Basalt Coast color palette (#CBF1D0, #79ABC2, #866B81, #704A3C, #4C3E00)

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