The hex color #745fcc is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#8BA033. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#A792FF, and Hex
#412C99 is the 20% darker color. If the color is saturated by 10%, you get
#725BD3. If the color is desaturated by 10%, the color
#7663C5 is obtained.