#664DCB Color

#664DCB is rgb(102, 77, 203) in RGB and hsl(252, 55%, 55%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#664DCB

HEX#664DCB

RGBrgb(102, 77, 203)

HSLhsl(252, 55%, 55%)

HSVhsv(252, 62%, 80%)

OKLCHoklch(51.7% 0.186 287.1)

CMYKcmyk(50%, 62%, 0%, 20%)

Text Contrast & Accessibility

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

TextWhite text6.02:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.49:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

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

Base#664DCB Complementary#B2CB4D Analogous#4D73CB Analogous#A54DCB Triadic#CB664D Triadic#4DCB66

Tints & Shades

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

Tints

#7B65D2 #8F7DD9 #A394E0 #BBB0E8 #D0C8EF #E4DFF6

Shades

#5237BE #442E9E #382682 #2C1E67 #20164B #130D2B

Use #664DCB in Our Tools

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