The hex color #a033d5 is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#5FCC2A. The grayscale version is
#8D8D8D. A 20% lighter version of the original color is
#D366FF, and Hex
#6D00A2 is the 20% darker color. If the color is saturated by 10%, you get
#A22ADC. If the color is desaturated by 10%, the color
#9E3CCE is obtained.