#5B8587 Hex Color
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#5b8587 is a muted cyan with gray undertones, giving it a matte, ashy character rather than a bright aquatic feel. Its restrained saturation supports calm interfaces, aerospace branding, and communication layouts without stealing focus. Use it as a supporting tone with warm white or navy. Black text reaches about 5.1:1 contrast, enough for WCAG AA body text. The hex code is #5b8587.
Questions about #5b8587
What is #5b8587 in RGB, HSL and CMYK?
In RGB, #5b8587 is rgb(91, 133, 135), in HSL hsl(183, 19%, 44%) and in CMYK 33%, 1%, 0%, 47%.
What colors pair well with #5b8587?
#5b8587 pairs well with warm white for a clean, softened contrast, while navy adds depth and structure; both combinations support its calm gray-cyan character without making the overall design feel overly bright or visually busy.
Is #5b8587 warm or cool?
#5b8587 reads as a cool, muted cyan because its blue-green base is softened by gray, creating a matte appearance rather than the vivid, watery feel associated with brighter cyan shades in most palettes.
Is #5b8587 readable on white or black?
#5b8587 has a 4.07:1 contrast ratio on white and 5.14:1 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.