The hex color #724efc is a dark color. The web-safe version is Hex
#6666FF. A complementary color is
#8DB103. The grayscale version is
#949494. A 20% lighter version of the original color is
#A581FF, and Hex
#3F1BC9 is the 20% darker color. If the color is saturated by 10%, you get
#6F47FF. If the color is desaturated by 10%, the color
#7555F2 is obtained.