The hex color #a74aa3 is a dark color. The web-safe version is Hex
#993399. A complementary color is
#58B55C. The grayscale version is
#878787. A 20% lighter version of the original color is
#DA7DD6, and Hex
#741770 is the 20% darker color. If the color is saturated by 10%, you get
#AA44A6. If the color is desaturated by 10%, the color
#A450A0 is obtained.