#647990 Color
#647990 is rgb(100, 121, 144) in RGB and hsl(211, 18%, 48%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.
#647990
HEX
#647990RGB
rgb(100, 121, 144)HSL
hsl(211, 18%, 48%)HSV
hsv(211, 31%, 56%)OKLCH
oklch(56.8% 0.043 250.9)CMYK
cmyk(31%, 16%, 0%, 44%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #647990 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text4.49:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text4.68:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #647990 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #647990, useful for hover states, backgrounds, and text variants.