The hex color #7d11cc is a dark color. The web-safe version is Hex
#6600CC. A complementary color is
#82EE33. The grayscale version is
#737373. A 20% lighter version of the original color is
#B044FF, and Hex
#4A0099 is the 20% darker color. If the color is saturated by 10%, you get
#7E07D5. If the color is desaturated by 10%, the color
#7C1BC3 is obtained.