The hex color #a756cd is a dark color. The web-safe version is Hex
#9966CC. A complementary color is
#58A932. The grayscale version is
#999999. A 20% lighter version of the original color is
#DA89FF, and Hex
#74239A is the 20% darker color. If the color is saturated by 10%, you get
#A84FD2. If the color is desaturated by 10%, the color
#A65DC8 is obtained.