The hex color #6d416c is a dark color. The web-safe version is Hex
#663366. A complementary color is
#92BE93. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#A0749F, and Hex
#3A0E39 is the 20% darker color. If the color is saturated by 10%, you get
#6F3E6D. If the color is desaturated by 10%, the color
#6C446B is obtained.