The hex color #8821f7 is a dark color. The web-safe version is Hex
#9933FF. A complementary color is
#77DE08. The grayscale version is
#8B8B8B. A 20% lighter version of the original color is
#BB54FF, and Hex
#5500C4 is the 20% darker color. If the color is saturated by 10%, you get
#8816FF. If the color is desaturated by 10%, the color
#882CEC is obtained.