#21A1CC Hex Color
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A mid-weight cyan that stays soft rather than sharp, #21a1cc reads cool and clean without the sting of electric blue. The hex code suits tech branding, children’s products, and app interfaces where a friendly blue earns trust. Use it as a dominant base with black text, which passes AA at about 7:1 contrast.
Questions about #21a1cc
What is #21a1cc in RGB, HSL and CMYK?
In RGB, #21a1cc is rgb(33, 161, 204), in HSL hsl(195, 72%, 46%) and in CMYK 84%, 21%, 0%, 20%.
What colors pair well with #21a1cc?
Warm accents like coral bring out its cooler side, while charcoal and navy keep palettes grounded. Soft cream backgrounds also flatter it more than plain white.
Is #21a1cc readable on white or black?
#21a1cc has a 2.98:1 contrast ratio on white and 7.03:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.