The hex color #4e187c is a dark color. The web-safe version is Hex
#660066. A complementary color is
#B1E783. The grayscale version is
#4B4B4B. A 20% lighter version of the original color is
#814BAF, and Hex
#1B0049 is the 20% darker color. If the color is saturated by 10%, you get
#4E1381. If the color is desaturated by 10%, the color
#4E1D77 is obtained.