The hex color #3d0c98 is a dark color. The web-safe version is Hex
#330099. A complementary color is
#C2F367. The grayscale version is
#4B4B4B. A 20% lighter version of the original color is
#703FCB, and Hex
#0A0065 is the 20% darker color. If the color is saturated by 10%, you get
#3C06A0. If the color is desaturated by 10%, the color
#3E1290 is obtained.