#665BBE Color

#665BBE is rgb(102, 91, 190) in RGB and hsl(247, 43%, 55%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#665BBE

HEX#665BBE

RGBrgb(102, 91, 190)

HSLhsl(247, 43%, 55%)

HSVhsv(247, 52%, 75%)

OKLCHoklch(53.2% 0.15 285.1)

CMYKcmyk(46%, 52%, 0%, 25%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #665BBE background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.52:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.8:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #665BBE based on color wheel relationships. Click any swatch for its full breakdown.

Base#665BBE Complementary#B2BE5B Analogous#5B81BE Analogous#985BBE Triadic#BE665B Triadic#5BBE66

Tints & Shades

Lighter tints and darker shades of #665BBE, useful for hover states, backgrounds, and text variants.

Tints

#7B71C6 #8F87CF #A39DD8 #BBB6E2 #D0CCEB #E4E2F3

Shades

#5246AF #443A92 #383078 #2C265F #201C45 #131028

Use #665BBE in Our Tools

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