The hex color #c821a7 is a dark color. The web-safe version is Hex
#CC3399. A complementary color is
#37DE58. The grayscale version is
#858585. A 20% lighter version of the original color is
#FB54DA, and Hex
#950074 is the 20% darker color. If the color is saturated by 10%, you get
#CF17AA. If the color is desaturated by 10%, the color
#C12BA4 is obtained.