The hex color #6c4b8c is a dark color. The web-safe version is Hex
#663399. A complementary color is
#93B473. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#9F7EBF, and Hex
#391859 is the 20% darker color. If the color is saturated by 10%, you get
#6C488F. If the color is desaturated by 10%, the color
#6C4E89 is obtained.