The hex color #a738a1 is a dark color. The web-safe version is Hex
#993399. A complementary color is
#58C75E. The grayscale version is
#808080. A 20% lighter version of the original color is
#DA6BD4, and Hex
#74056E is the 20% darker color. If the color is saturated by 10%, you get
#AB31A4. If the color is desaturated by 10%, the color
#A33F9E is obtained.