The hex color #4d2d7f is a dark color. The web-safe version is Hex
#663366. A complementary color is
#B2D280. The grayscale version is
#535353. A 20% lighter version of the original color is
#8060B2, and Hex
#1A004C is the 20% darker color. If the color is saturated by 10%, you get
#4C2983. If the color is desaturated by 10%, the color
#4E317B is obtained.