The hex color #8d34b5 is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#72CB4A. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#C067E8, and Hex
#5A0182 is the 20% darker color. If the color is saturated by 10%, you get
#8F2DBB. If the color is desaturated by 10%, the color
#8B3BAF is obtained.