The hex color #5f537d is a dark color. The web-safe version is Hex
#666666. A complementary color is
#A0AC82. The grayscale version is
#656565. A 20% lighter version of the original color is
#9286B0, and Hex
#2C204A is the 20% darker color. If the color is saturated by 10%, you get
#5E517F. If the color is desaturated by 10%, the color
#60557B is obtained.