The hex color #a74aa5 is a dark color. The web-safe version is Hex
#993399. A complementary color is
#58B55A. The grayscale version is
#878787. A 20% lighter version of the original color is
#DA7DD8, and Hex
#741772 is the 20% darker color. If the color is saturated by 10%, you get
#AA44A8. If the color is desaturated by 10%, the color
#A450A2 is obtained.