The hex color #3d076d is a dark color. The web-safe version is Hex
#330066. A complementary color is
#C2F892. The grayscale version is
#3B3B3B. A 20% lighter version of the original color is
#703AA0, and Hex
#0A003A is the 20% darker color. If the color is saturated by 10%, you get
#3D0272. If the color is desaturated by 10%, the color
#3D0C68 is obtained.