#3579BB Hex Color
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Steady, muted blue with a cool gray undertone. #3579bb works best as a supporting tone in finance or tech branding, where it reads dependable without dominating. Black text sits at about 4.6:1 contrast on this hex code, enough for small body text. Pair it with warm sand or muted coral to keep layouts from going flat.
Questions about #3579bb
What is #3579bb in RGB, HSL and CMYK?
In RGB, #3579bb is rgb(53, 121, 187), in HSL hsl(210, 56%, 47%) and in CMYK 72%, 35%, 0%, 27%.
What colors pair well with #3579bb?
Warm sand and muted terracotta make #3579bb feel richer than pairing it with plain white, which can wash it out. Use it as a supporting tone behind stronger accents rather than a full background.
Is #3579bb readable on white or black?
#3579bb has a 4.56:1 contrast ratio on white and 4.60:1 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 for body text. Try other pairs in the contrast checker.