#664BBE Color

#664BBE is rgb(102, 75, 190) in RGB and hsl(254, 47%, 52%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#664BBE

HEX#664BBE

RGBrgb(102, 75, 190)

HSLhsl(254, 47%, 52%)

HSVhsv(254, 61%, 75%)

OKLCHoklch(50.4% 0.172 289.6)

CMYKcmyk(46%, 61%, 0%, 25%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #664BBE background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.33:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.31:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #664BBE based on color wheel relationships. Click any swatch for its full breakdown.

Base#664BBE Complementary#A3BE4B Analogous#4B6ABE Analogous#9F4BBE Triadic#BE664B Triadic#4BBE66

Tints & Shades

Lighter tints and darker shades of #664BBE, useful for hover states, backgrounds, and text variants.

Tints

#7C65C8 #8F7CD0 #A696D9 #B9ADE1 #CFC7EB #E2DDF3

Shades

#563DA9 #49338E #3B2A74 #30225E #221843 #150F29

Use #664BBE in Our Tools

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