#212131 Hex Color
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#212131 is a dark, muted indigo with low saturation and a cool, ashy cast. Its matte, near-black value creates a serious, mysterious mood without the starkness of pure black. Use the hex code #212131 for dark UI backgrounds, moody branding, or structure behind brighter accents. White text reads clearly against it at about 15.8:1 contrast.
Questions about #212131
What is #212131 in RGB, HSL and CMYK?
In RGB, #212131 is rgb(33, 33, 49), in HSL hsl(240, 20%, 16%) and in CMYK 33%, 33%, 0%, 81%.
Which colors pair well with #212131?
#212131 pairs well with burgundy or terracotta, adding warmth without overpowering its low-saturation base; pale gray and soft cream provide lighter contrast for logos, editorial layouts, and dark interface accents. Keep warm accents small to preserve its restrained, structured mood.
Is #212131 readable on white or black?
#212131 has a 15.83:1 contrast ratio on white and 1.32:1 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.