The hex color #42205c is a dark color. The web-safe version is Hex
#333366. A complementary color is
#BDDFA3. The grayscale version is
#3F3F3F. A 20% lighter version of the original color is
#75538F, and Hex
#0F0029 is the 20% darker color. If the color is saturated by 10%, you get
#421D5F. If the color is desaturated by 10%, the color
#422359 is obtained.