The hex color #726cf7 is a dark color. The web-safe version is Hex
#6666FF. A complementary color is
#8D9308. The grayscale version is
#9C9C9C. A 20% lighter version of the original color is
#A59FFF, and Hex
#3F39C4 is the 20% darker color. If the color is saturated by 10%, you get
#6E67FF. If the color is desaturated by 10%, the color
#7671EE is obtained.