#515252 Hex Color
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Cavernous is a dark, stony grey with a flat, matte quality. Its muted saturation creates a grounded base for moody interface designs or minimalist branding. Because it offers strong contrast against white text, it works well as a primary background color. The hex code #515252 balances professionalism with a somber, industrial edge that pairs best with vibrant accent colors.
About Cavernous
Concrete in a room with the blinds drawn
What does cavernous mean?
Cavernous often reads as enclosed and heavy, a grey people connect with basements, stone walls, and rooms starved of daylight. It sits low on the lightness scale with almost no color left in it, so it feels flat, dense, and airless.
Where you see cavernous
- concrete
- graphite pencil lead
- cast iron pans
- storm clouds
- asphalt
- slate roofing
What it works for
Use it for backgrounds that need to recede, for text on light surfaces, and for grounding brighter colors around it.
What colors go with cavernous?
Oxblood #800020The deep red brings warmth to a grey that has almost none of its own.Mustard #ffdb58Strong yellow cuts through the dimness and keeps large grey areas from feeling flat.Powder Blue #b0e0e6The pale blue reads lighter and cooler next to a neutral this dark.Terracotta #e2725bFired clay tones give this colorless grey a clear point of contrast.
Questions about Cavernous
What is the hex code for Cavernous?
Cavernous is #515252. In RGB that is rgb(81, 82, 82), in HSL hsl(180, 1%, 32%) and in CMYK 1%, 0%, 0%, 68%.
Does #515252 work well for text?
Cavernous #515252 serves as an excellent, high-contrast background color for white text in UI designs. Because it is a dark, stony grey, it feels softer and more industrial than pure black while maintaining perfect readability for long-form content.
Is Cavernous readable on white or black?
Cavernous has a 7.83:1 contrast ratio on white and 2.67:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it is too faint for text. Try other pairs in the contrast checker.