The hex color #3d0f45 is a dark color. The web-safe version is Hex
#330033. A complementary color is
#C2F0BA. The grayscale version is
#303030. A 20% lighter version of the original color is
#704278, and Hex
#0A0012 is the 20% darker color. If the color is saturated by 10%, you get
#3E0C47. If the color is desaturated by 10%, the color
#3C1243 is obtained.