#3664DD Hex Color
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Not a muted navy, #3664dd is a saturated, beaming blue with real punch. Its vividness works best as an accent or call to action rather than a full background, where it can overwhelm. White text hits about 5.2:1 contrast on it, clearing AA for body copy. Pair it with warm coral or amber to soften the chill, or browse other shades of blue for something calmer. The hex code #3664dd suits tech, finance, and security branding.
Questions about #3664dd
What is #3664dd in RGB, HSL and CMYK?
In RGB, #3664dd is rgb(54, 100, 221), in HSL hsl(223, 71%, 54%) and in CMYK 76%, 55%, 0%, 13%.
What colors pair well with #3664dd?
Is #3664dd a warm or cool color?
It reads cool. The blue base plus high saturation gives it a crisp, electric feel. Warm accents like coral or amber keep designs from tipping into clinical territory.
Is #3664dd readable on white or black?
#3664dd has a 5.21:1 contrast ratio on white and 4.02:1 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 works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.