#21305B Hex Color
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Deep, muted navy with an ashy, inky undertone. #21305b works best as a dominant base in corporate layouts, dark mode UI, and formal branding, where its low lightness keeps things serious. White text passes easily here, hitting a 12.8:1 contrast ratio. Pair it with burgundy or brass to keep it from reading flat. At this darkness it sits near mixing black territory.
Questions about #21305b
What is #21305b in RGB, HSL and CMYK?
In RGB, #21305b is rgb(33, 48, 91), in HSL hsl(224, 47%, 24%) and in CMYK 64%, 47%, 0%, 64%.
What colors pair well with #21305b?
Burgundy, brass, and warm off-whites all flatter #21305b, adding warmth its ashy undertone lacks. Skip camel and beige, which can make it look washed out and corporate in the wrong way.
Is #21305b readable on white or black?
#21305b has a 12.81:1 contrast ratio on white and 1.63:1 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.