The hex color #743eae is a dark color. The web-safe version is Hex
#663399. A complementary color is
#8BC151. The grayscale version is
#757575. A 20% lighter version of the original color is
#A771E1, and Hex
#410B7B is the 20% darker color. If the color is saturated by 10%, you get
#7438B4. If the color is desaturated by 10%, the color
#7444A8 is obtained.