The hex color #a70cd0 is a dark color. The web-safe version is Hex
#9900CC. A complementary color is
#58F32F. The grayscale version is
#818181. A 20% lighter version of the original color is
#DA3FFF, and Hex
#74009D is the 20% darker color. If the color is saturated by 10%, you get
#AB00D8. If the color is desaturated by 10%, the color
#A318C8 is obtained.