The hex color #4b3f6c is a dark color. The web-safe version is Hex
#333366. A complementary color is
#B4C093. The grayscale version is
#525252. A 20% lighter version of the original color is
#7E729F, and Hex
#180C39 is the 20% darker color. If the color is saturated by 10%, you get
#4A3D6F. If the color is desaturated by 10%, the color
#4C4169 is obtained.