The hex color #a738f1 is a dark color. The web-safe version is Hex
#9933FF. A complementary color is
#58C70E. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#DA6BFF, and Hex
#7405BE is the 20% darker color. If the color is saturated by 10%, you get
#A82EFA. If the color is desaturated by 10%, the color
#A642E8 is obtained.