The hex color #c721c7 is a dark color. The web-safe version is Hex
#CC33CC. A complementary color is
#38DE38. The grayscale version is
#909090. A 20% lighter version of the original color is
#FA54FA, and Hex
#940094 is the 20% darker color. If the color is saturated by 10%, you get
#CD16CD. If the color is desaturated by 10%, the color
#C12CC1 is obtained.