The hex color #52576c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#ADA893. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#858A9F, and Hex
#1F2439 is the 20% darker color. If the color is saturated by 10%, you get
#51566E. If the color is desaturated by 10%, the color
#53586A is obtained.