The hex color #7f29c3 is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#80D63C. The grayscale version is
#797979. A 20% lighter version of the original color is
#B25CF6, and Hex
#4C0090 is the 20% darker color. If the color is saturated by 10%, you get
#8021CA. If the color is desaturated by 10%, the color
#7E31BC is obtained.