The hex color #c21cf4 is a dark color. The web-safe version is Hex
#CC33FF. A complementary color is
#3DE30B. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#F54FFF, and Hex
#8F00C1 is the 20% darker color. If the color is saturated by 10%, you get
#C60FFD. If the color is desaturated by 10%, the color
#BE29EB is obtained.