The hex color #7c20cd is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#83DF32. The grayscale version is
#787878. A 20% lighter version of the original color is
#AF53FF, and Hex
#49009A is the 20% darker color. If the color is saturated by 10%, you get
#7C17D5. If the color is desaturated by 10%, the color
#7C29C5 is obtained.