The hex color #a7287d is a dark color. The web-safe version is Hex
#993366. A complementary color is
#58D782. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#DA5BB0, and Hex
#74004A is the 20% darker color. If the color is saturated by 10%, you get
#AD217E. If the color is desaturated by 10%, the color
#A12F7C is obtained.