The hex color #831bcc is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#7CE433. The grayscale version is
#797979. A 20% lighter version of the original color is
#B64EFF, and Hex
#500099 is the 20% darker color. If the color is saturated by 10%, you get
#8412D4. If the color is desaturated by 10%, the color
#8224C4 is obtained.