The hex color #4c4f6c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#B3B093. The grayscale version is
#585858. A 20% lighter version of the original color is
#7F829F, and Hex
#191C39 is the 20% darker color. If the color is saturated by 10%, you get
#4B4E6E. If the color is desaturated by 10%, the color
#4D506A is obtained.