The hex color #823fdd is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#7DC022. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#B572FF, and Hex
#4F0CAA is the 20% darker color. If the color is saturated by 10%, you get
#8138E5. If the color is desaturated by 10%, the color
#8347D5 is obtained.