#3B3891 Hex Color
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A cool, saturated indigo, #3b3891 carries a heavy, serious weight that works best as a primary background color. It offers excellent legibility for white text, making it a reliable choice for dark mode UI or corporate branding. Because it sits on the edge of navy, it feels less traditional than standard blue. Pair it with soft cream or muted mustard to brighten its deep, moody undertones.
Questions about #3b3891
What is #3b3891 in RGB, HSL and CMYK?
In RGB, #3b3891 is rgb(59, 56, 145), in HSL hsl(242, 44%, 39%) and in CMYK 59%, 61%, 0%, 43%.
What colors pair best with #3b3891?
Is #3b3891 readable on white or black?
#3b3891 has a 9.71:1 contrast ratio on white and 2.16:1 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.