The hex color #4f399c is a dark color. The web-safe version is Hex
#663399. A complementary color is
#B0C663. The grayscale version is
#616161. A 20% lighter version of the original color is
#826CCF, and Hex
#1C0669 is the 20% darker color. If the color is saturated by 10%, you get
#4D35A2. If the color is desaturated by 10%, the color
#513D96 is obtained.