The hex color #a42a8a is a dark color. The web-safe version is Hex
#993399. A complementary color is
#5BD575. The grayscale version is
#737373. A 20% lighter version of the original color is
#D75DBD, and Hex
#710057 is the 20% darker color. If the color is saturated by 10%, you get
#A9238C. If the color is desaturated by 10%, the color
#9F3188 is obtained.