The hex color #724e9d is a dark color. The web-safe version is Hex
#666699. A complementary color is
#8DB162. The grayscale version is
#747474. A 20% lighter version of the original color is
#A581D0, and Hex
#3F1B6A is the 20% darker color. If the color is saturated by 10%, you get
#724AA1. If the color is desaturated by 10%, the color
#725299 is obtained.