The hex color #3e279c is a dark color. The web-safe version is Hex
#333399. A complementary color is
#C1D863. The grayscale version is
#565656. A 20% lighter version of the original color is
#715ACF, and Hex
#0B0069 is the 20% darker color. If the color is saturated by 10%, you get
#3C22A3. If the color is desaturated by 10%, the color
#402C95 is obtained.