#517C81 Color
#517C81 is rgb(81, 124, 129) in RGB and hsl(186, 23%, 41%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.
#517C81
HEX
#517C81RGB
rgb(81, 124, 129)HSL
hsl(186, 23%, 41%)HSV
hsv(186, 37%, 51%)OKLCH
oklch(55.7% 0.048 205.1)CMYK
cmyk(37%, 4%, 0%, 49%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #517C81 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text4.62:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text4.55:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #517C81 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #517C81, useful for hover states, backgrounds, and text variants.