#21457C Hex Color

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Hex color #21457c graphic
This deep, dim blue feels solid and authoritative, making it an excellent choice for corporate branding or institutional interfaces. Because it is highly saturated, it serves well as a dominant base color. White text offers high readability against it, maintaining strong accessibility standards. The hex code #21457c pairs effectively with lighter grays or even soft creams to balance its cool, serious presence in professional designs.

Questions about #21457c

What is #21457c in RGB, HSL and CMYK?
In RGB, #21457c is rgb(33, 69, 124), in HSL hsl(216, 58%, 31%) and in CMYK 73%, 44%, 0%, 51%.
What colors pair well with #21457c in a professional layout?
#21457c works best when balanced against neutral, lighter tones that prevent the deep blue from feeling too heavy. Pair it with soft, warm creams or light neutral grays to maintain strong readability and a polished, institutional aesthetic.
Is #21457c suitable for text-heavy corporate interfaces?
Yes, #21457c is an excellent choice for background elements or branding because it supports high contrast levels when paired with white or near-white text. Its high saturation ensures it remains distinct and readable on digital screens.
Is #21457c readable on white or black?
#21457c has a 9.51:1 contrast ratio on white and 2.20:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it is too faint for text. Try other pairs in the contrast checker.