#3B51AC Hex Color
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#3b51ac is a cool, moderately dark blue color with a muted violet undertone and fairly strong saturation. Its controlled, serious mood suits finance, security, government, and technology interfaces. Use it as a supporting tone, bold accent, or dark UI background with white text, which achieves about a 7.1:1 contrast ratio. The hex code #3b51ac adds depth and reliability to focused designs.
Questions about #3b51ac
What is #3b51ac in RGB, HSL and CMYK?
In RGB, #3b51ac is rgb(59, 81, 172), in HSL hsl(228, 49%, 45%) and in CMYK 66%, 53%, 0%, 33%. Browse more shades of blue with names and hex codes.
What colors pair well with #3b51ac?
#3b51ac pairs well with white, soft gray, lavender, and restrained warm accents, creating clear contrast while balancing its cool blue-violet base in interfaces and branded layouts without feeling harsh or overly bright.
Does #3b51ac look warm or cool?
#3b51ac reads as a cool, moderately dark blue because its blue channel dominates, while its muted violet undertone keeps the hue crisp and serious rather than warm in most digital layouts. Use lighter neutrals to preserve that focused character.
Is #3b51ac readable on white or black?
#3b51ac has a 7.09:1 contrast ratio on white and 2.95:1 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.