The hex color #a356d3 is a dark color. The web-safe version is Hex
#9966CC. A complementary color is
#5CA92C. The grayscale version is
#999999. A 20% lighter version of the original color is
#D689FF, and Hex
#7023A0 is the 20% darker color. If the color is saturated by 10%, you get
#A44FD9. If the color is desaturated by 10%, the color
#A25DCD is obtained.