#15585B Color
#15585B is rgb(21, 88, 91) in RGB and hsl(183, 63%, 22%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#15585B
HEX
#15585BRGB
rgb(21, 88, 91)HSL
hsl(183, 63%, 22%)HSV
hsv(183, 77%, 36%)OKLCH
oklch(42.2% 0.064 199.5)CMYK
cmyk(77%, 3%, 0%, 64%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #15585B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text8.14:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.58:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #15585B based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #15585B, useful for hover states, backgrounds, and text variants.