The hex color #a74cb4 is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#58B34B. The grayscale version is
#8D8D8D. A 20% lighter version of the original color is
#DA7FE7, and Hex
#741981 is the 20% darker color. If the color is saturated by 10%, you get
#AA46B8. If the color is desaturated by 10%, the color
#A453B0 is obtained.