The hex color #a31ae9 is a dark color. The web-safe version is Hex
#9933FF. A complementary color is
#5CE516. The grayscale version is
#8D8D8D. A 20% lighter version of the original color is
#D64DFF, and Hex
#7000B6 is the 20% darker color. If the color is saturated by 10%, you get
#A50FF2. If the color is desaturated by 10%, the color
#A125E0 is obtained.