#66878A Color
#66878A is rgb(102, 135, 138) in RGB and hsl(185, 15%, 47%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.
#66878A
HEX
#66878ARGB
rgb(102, 135, 138)HSL
hsl(185, 15%, 47%)HSV
hsv(185, 26%, 54%)OKLCH
oklch(59.9% 0.037 203.2)CMYK
cmyk(26%, 2%, 0%, 46%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66878A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text3.89:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text5.4:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #66878A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66878A, useful for hover states, backgrounds, and text variants.