#427CFF Hex Color
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Buttons, links, and alerts are where #427cff works best. This bright blue is highly saturated with a cool undertone. Keep it as an accent, since a full background can overwhelm. It pairs well with warm coral, and black text on top passes AA at about 5.6:1. The hex code #427cff suits tech and finance brands that want energy plus trust. Browse other shades of blue for close matches.
Questions about #427cff
What is #427cff in RGB, HSL and CMYK?
In RGB, #427cff is rgb(66, 124, 255), in HSL hsl(222, 100%, 63%) and in CMYK 74%, 51%, 0%, 0%.
What colors pair well with #427cff?
Warm coral and soft sand flatter #427cff because their warmth balances its cool, electric intensity, keeping the palette from feeling icy. For interface work, charcoal grounds it well, while pale tints next to it wash out its brightness.
Is #427cff readable on white or black?
#427cff has a 3.77:1 contrast ratio on white and 5.55:1 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.