#666388 Color
#666388 is rgb(102, 99, 136) in RGB and hsl(245, 16%, 46%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.
#666388
HEX
#666388RGB
rgb(102, 99, 136)HSL
hsl(245, 16%, 46%)HSV
hsv(245, 27%, 53%)OKLCH
oklch(51.7% 0.058 287.9)CMYK
cmyk(25%, 27%, 0%, 47%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #666388 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text5.67:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text3.71:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #666388 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #666388, useful for hover states, backgrounds, and text variants.