The hex color #842dfc is a dark color. The web-safe version is Hex
#9933FF. A complementary color is
#7BD203. The grayscale version is
#8F8F8F. A 20% lighter version of the original color is
#B760FF, and Hex
#5100C9 is the 20% darker color. If the color is saturated by 10%, you get
#8323FF. If the color is desaturated by 10%, the color
#8537F1 is obtained.