#666699 Color

#666699 is rgb(102, 102, 153) in RGB and hsl(240, 20%, 50%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#666699

HEX#666699

RGBrgb(102, 102, 153)

HSLhsl(240, 20%, 50%)

HSVhsv(240, 33%, 60%)

OKLCHoklch(53.2% 0.079 283.4)

CMYKcmyk(33%, 33%, 0%, 40%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666699 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.35:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.93:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666699 based on color wheel relationships. Click any swatch for its full breakdown.

Base#666699 Complementary#999966 Analogous#667F99 Analogous#7F6699 Triadic#996666 Triadic#669966

Tints & Shades

Lighter tints and darker shades of #666699, useful for hover states, backgrounds, and text variants.

Tints

#7B7BA7 #9191B6 #A6A6C4 #B9B9D0 #CECEDE #E3E3ED

Shades

#585884 #4B4B71 #3D3D5C #313149 #232334 #161622

Use #666699 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex