#10B5FB Hex Color
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Far from a sleepy navy, this electric blue practically glows on screen. The hex code #10b5fb is loud, cool, and just shy of cyan, which makes it a strong choice for calls to action and social media accents. At full background scale it can overwhelm, so treat it as the 10 percent in your palette. Black text on top reads clearly at about 9.0:1 contrast, well past WCAG AA.
Questions about #10b5fb
What is #10b5fb in RGB, HSL and CMYK?
In RGB, #10b5fb is rgb(16, 181, 251), in HSL hsl(198, 97%, 52%) and in CMYK 94%, 28%, 0%, 2%.
What colors pair well with #10b5fb?
Charcoal and deep slate tones ground its brightness and keep it from feeling cartoonish. For a bolder pairing, use its warm orange complement sparingly as a counterweight in icons or badges.
Should text on #10b5fb be black or white?
Black text is the clear winner, reaching roughly 9.0:1 contrast and passing WCAG AA for small body text. White text on #10b5fb drops below the 4.5:1 threshold and should be avoided for reading-sized copy.
Is #10b5fb readable on white or black?
#10b5fb has a 2.32:1 contrast ratio on white and 9.02:1 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.