The hex color #57347c is a dark color. The web-safe version is Hex
#663366. A complementary color is
#A8CB83. The grayscale version is
#585858. A 20% lighter version of the original color is
#8A67AF, and Hex
#240149 is the 20% darker color. If the color is saturated by 10%, you get
#573080. If the color is desaturated by 10%, the color
#573878 is obtained.