The hex color #4c658c is a dark color. The web-safe version is Hex
#336699. A complementary color is
#B39A73. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#7F98BF, and Hex
#193259 is the 20% darker color. If the color is saturated by 10%, you get
#49658F. If the color is desaturated by 10%, the color
#4F6589 is obtained.