#577F99 Hex Color
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A muted, medium-dark blue with a gray cast, dusty blue sits between navy and slate. The hex code #577f99 is ashy and restrained, never vivid. It works best as a supporting tone behind darker text, since black type hits about 4.9:1 contrast and passes AA for body copy. Warm terracotta accents keep it from going flat.
Questions about #577f99
What is #577f99 in RGB, HSL and CMYK?
In RGB, #577f99 is rgb(87, 127, 153), in HSL hsl(204, 27%, 47%) and in CMYK 43%, 17%, 0%, 40%.
What colors pair well with #577f99?
Warm accents like terracotta, rust, or muted ochre bring out the best in #577f99. Cream also softens its ashy cast better than pure white, which can wash it out.
Is #577f99 readable on white or black?
#577f99 has a 4.28:1 contrast ratio on white and 4.90:1 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.