#231B15 Hex Color
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The hex code #231b15 is a very dark, muted brown with ashy gray undertones. Its low lightness creates a serious, mysterious mood suited to coffee, chocolate, tobacco, legal, and vintage branding. Use it as a dominant background with warm cream or muted copper accents; white text remains highly legible, with about a 16.9:1 contrast ratio.
Questions about #231b15
What is #231b15 in RGB, HSL and CMYK?
In RGB, #231b15 is rgb(35, 27, 21), in HSL hsl(26, 25%, 11%) and in CMYK 0%, 23%, 40%, 86%. Browse more shades of black with names and hex codes.
What colors pair well with #231b15?
What mood does #231b15 create in a design?
#231b15 creates a serious, mysterious mood through its near-black value and muted brown base, making it well suited to coffee, chocolate, tobacco, legal, and vintage-inspired branding where depth matters more than brightness.
Is #231b15 readable on white or black?
#231b15 has a 16.94:1 contrast ratio on white and 1.23:1 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.