The hex color #a31ddf is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#5CE220. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#D650FF, and Hex
#7000AC is the 20% darker color. If the color is saturated by 10%, you get
#A512E7. If the color is desaturated by 10%, the color
#A128D7 is obtained.