#66818F Color
#66818F is rgb(102, 129, 143) in RGB and hsl(200, 17%, 48%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.
#66818F
HEX
#66818FRGB
rgb(102, 129, 143)HSL
hsl(200, 17%, 48%)HSV
hsv(200, 29%, 56%)OKLCH
oklch(58.7% 0.038 230.7)CMYK
cmyk(29%, 10%, 0%, 44%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66818F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text4.12:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text5.1:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #66818F based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66818F, useful for hover states, backgrounds, and text variants.