The hex color #75539c is a dark color. The web-safe version is Hex
#666699. A complementary color is
#8AAC63. The grayscale version is
#777777. A 20% lighter version of the original color is
#A886CF, and Hex
#422069 is the 20% darker color. If the color is saturated by 10%, you get
#754FA0. If the color is desaturated by 10%, the color
#755798 is obtained.