#517F91 Hex Color
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This muted, dusty cyan acts as a steady base for UI designs. Because #517f91 is desaturated and cool, it sits comfortably behind black text while maintaining WCAG AA readability. It avoids the harshness of brighter blues, making it a smart choice for tech interfaces or professional branding. Use the hex code #517f91 as a background to let secondary colors pop without feeling overwhelming.
Questions about #517f91
What is #517f91 in RGB, HSL and CMYK?
In RGB, #517f91 is rgb(81, 127, 145), in HSL hsl(197, 28%, 44%) and in CMYK 44%, 12%, 0%, 43%.
What colors pair well with #517f91?
This color pairs beautifully with charcoal for high-contrast professional text or soft cream for a balanced, approachable interface. Because it is desaturated, it also works well alongside warm neutral accents like sand or taupe to ground the palette.
Is #517f91 readable on white or black?
#517f91 has a 4.38:1 contrast ratio on white and 4.79:1 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.