The hex color #a573b0 is a light color. The web-safe version is Hex
#996699. A complementary color is
#5A8C4F. The grayscale version is
#989898. A 20% lighter version of the original color is
#D8A6E3, and Hex
#72407D is the 20% darker color. If the color is saturated by 10%, you get
#A66FB2. If the color is desaturated by 10%, the color
#A477AE is obtained.