#21B0FB Hex Color
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Close to the blue of a clear summer sky, #21b0fb is a saturated azure with a neon kick. Its high lightness and strong chroma make it a natural accent for buttons, links, and calls to action, though it can wash out against plain white. Black text on top reaches about 8.7:1 contrast, so it passes AA even behind small type.
Questions about #21b0fb
What is #21b0fb in RGB, HSL and CMYK?
In RGB, #21b0fb is rgb(33, 176, 251), in HSL hsl(201, 96%, 56%) and in CMYK 87%, 30%, 0%, 2%.
What colors pair well with #21b0fb?
Is #21b0fb readable on white or black?
#21b0fb has a 2.42:1 contrast ratio on white and 8.66:1 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.