The hex color #3d013d is a dark color. The web-safe version is Hex
#330033. A complementary color is
#C2FEC2. The grayscale version is
#292929. A 20% lighter version of the original color is
#703470, and Hex
#0A000A is the 20% darker color. If the color is saturated by 10%, you get
#3F003F. If the color is desaturated by 10%, the color
#3B053B is obtained.