The hex color #6d206c is a dark color. The web-safe version is Hex
#663366. A complementary color is
#92DF93. The grayscale version is
#535353. A 20% lighter version of the original color is
#A0539F, and Hex
#3A0039 is the 20% darker color. If the color is saturated by 10%, you get
#701B6F. If the color is desaturated by 10%, the color
#6A256A is obtained.