The hex color #57358c is a dark color. The web-safe version is Hex
#663399. A complementary color is
#A8CA73. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#8A68BF, and Hex
#240259 is the 20% darker color. If the color is saturated by 10%, you get
#563191. If the color is desaturated by 10%, the color
#583987 is obtained.