#657DE3 Hex Color
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#657de3 is a bright, saturated blue-indigo with a cool cast and enough lightness to feel energetic rather than heavy. The hex code #657de3 suits accents, calls to action, technology interfaces, and trustworthy finance or healthcare branding. Use it as a focused supporting tone with charcoal or warm cream; black text reaches about 5.6:1 contrast for WCAG AA body text.
Questions about #657de3
What is #657de3 in RGB, HSL and CMYK?
In RGB, #657de3 is rgb(101, 125, 227), in HSL hsl(229, 69%, 64%) and in CMYK 56%, 45%, 0%, 11%.
What colors pair well with #657de3?
#657de3 pairs well with charcoal, warm cream, and muted terracotta, which balance its cool blue-indigo intensity without competing for attention. Use it as an accent or supporting color rather than a dominant full-page background.
Is #657de3 readable on white or black?
#657de3 has a 3.75:1 contrast ratio on white and 5.59:1 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.