#21908F Hex Color
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A cool, moderately muted cyan with a blue-green cast, #21908f feels refreshing without becoming bright or flashy. Its steady lightness supports trust, focus, and clear communication in technology, children’s products, or aerospace branding. Use the hex code as a supporting tone or accent, since it can feel dense across large backgrounds.
Questions about #21908f
What is #21908f in RGB, HSL and CMYK?
In RGB, #21908f is rgb(33, 144, 143), in HSL hsl(179, 63%, 35%) and in CMYK 77%, 0%, 1%, 44%.
What colors pair well with #21908f?
Pair #21908f with charcoal for crisp text, warm terracotta for contrast, or pale sand for a softer palette that balances its medium-dark value and cool blue-green cast without making the scheme feel overly bright.
Is #21908f readable on white or black?
#21908f has a 3.85:1 contrast ratio on white and 5.45:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.