The hex color #7f299c is a dark color. The web-safe version is Hex
#663399. A complementary color is
#80D663. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#B25CCF, and Hex
#4C0069 is the 20% darker color. If the color is saturated by 10%, you get
#8122A1. If the color is desaturated by 10%, the color
#7D3097 is obtained.