The hex color #a40dc5 is a dark color. The web-safe version is Hex
#9900CC. A complementary color is
#5BF23A. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#D740F8, and Hex
#710092 is the 20% darker color. If the color is saturated by 10%, you get
#A802CC. If the color is desaturated by 10%, the color
#A018BE is obtained.