The hex color #740bf5 is a dark color. The web-safe version is Hex
#6600FF. A complementary color is
#8BF40A. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#A73EFF, and Hex
#4100C2 is the 20% darker color. If the color is saturated by 10%, you get
#7300FF. If the color is desaturated by 10%, the color
#7516E9 is obtained.