The hex color #a372b5 is a light color. The web-safe version is Hex
#9966CC. A complementary color is
#5C8D4A. The grayscale version is
#999999. A 20% lighter version of the original color is
#D6A5E8, and Hex
#703F82 is the 20% darker color. If the color is saturated by 10%, you get
#A46EB8. If the color is desaturated by 10%, the color
#A276B2 is obtained.