Petrol Hollow color palette — #ECF0E5 · #7FB8E6 · #346AA5 · #004C66 · #152C55

Built around Slate, softened by Sky — the whole palette hums with trust and stability.

The five colors

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

Use it as a design system

One click turns 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

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