The hex color #a547b5 is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#5AB84A. The grayscale version is
#8B8B8B. A 20% lighter version of the original color is
#D87AE8, and Hex
#721482 is the 20% darker color. If the color is saturated by 10%, you get
#A840B9. If the color is desaturated by 10%, the color
#A24EB1 is obtained.