The hex color #a40fce is a dark color. The web-safe version is Hex
#9900CC. A complementary color is
#5BF031. The grayscale version is
#808080. A 20% lighter version of the original color is
#D742FF, and Hex
#71009B is the 20% darker color. If the color is saturated by 10%, you get
#A804D6. If the color is desaturated by 10%, the color
#A01AC6 is obtained.