The hex color #503d7c is a dark color. The web-safe version is Hex
#663366. A complementary color is
#AFC283. The grayscale version is
#585858. A 20% lighter version of the original color is
#8370AF, and Hex
#1D0A49 is the 20% darker color. If the color is saturated by 10%, you get
#4F3A80. If the color is desaturated by 10%, the color
#514078 is obtained.