The hex color #6b387c is a dark color. The web-safe version is Hex
#663366. A complementary color is
#94C783. The grayscale version is
#606060. A 20% lighter version of the original color is
#9E6BAF, and Hex
#380549 is the 20% darker color. If the color is saturated by 10%, you get
#6C347F. If the color is desaturated by 10%, the color
#6A3C79 is obtained.