The hex color #4d438c is a dark color. The web-safe version is Hex
#663399. A complementary color is
#B2BC73. The grayscale version is
#5F5F5F. A 20% lighter version of the original color is
#8076BF, and Hex
#1A1059 is the 20% darker color. If the color is saturated by 10%, you get
#4B4091. If the color is desaturated by 10%, the color
#4F4687 is obtained.