The hex color #a13af9 is a dark color. The web-safe version is Hex
#9933FF. A complementary color is
#5EC506. The grayscale version is
#9C9C9C. A 20% lighter version of the original color is
#D46DFF, and Hex
#6E07C6 is the 20% darker color. If the color is saturated by 10%, you get
#A230FF. If the color is desaturated by 10%, the color
#A144F0 is obtained.