The hex color #a11b7b is a dark color. The web-safe version is Hex
#993366. A complementary color is
#5EE484. The grayscale version is
#686868. A 20% lighter version of the original color is
#D44EAE, and Hex
#6E0048 is the 20% darker color. If the color is saturated by 10%, you get
#A7137D. If the color is desaturated by 10%, the color
#9B2379 is obtained.