The hex color #8311a3 is a dark color. The web-safe version is Hex
#990099. A complementary color is
#7CEE5C. The grayscale version is
#686868. A 20% lighter version of the original color is
#B644D6, and Hex
#500070 is the 20% darker color. If the color is saturated by 10%, you get
#8608A9. If the color is desaturated by 10%, the color
#801A9D is obtained.