The hex color #42275c is a dark color. The web-safe version is Hex
#333366. A complementary color is
#BDD8A3. The grayscale version is
#424242. A 20% lighter version of the original color is
#755A8F, and Hex
#0F0029 is the 20% darker color. If the color is saturated by 10%, you get
#42245F. If the color is desaturated by 10%, the color
#422A59 is obtained.