The hex color #a913a3 is a dark color. The web-safe version is Hex
#990099. A complementary color is
#56EC5C. The grayscale version is
#757575. A 20% lighter version of the original color is
#DC46D6, and Hex
#760070 is the 20% darker color. If the color is saturated by 10%, you get
#AE09A8. If the color is desaturated by 10%, the color
#A41D9E is obtained.