The hex color #5d537c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#A2AC83. The grayscale version is
#646464. A 20% lighter version of the original color is
#9086AF, and Hex
#2A2049 is the 20% darker color. If the color is saturated by 10%, you get
#5C517E. If the color is desaturated by 10%, the color
#5E557A is obtained.