The hex color #4b537c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#B4AC83. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#7E86AF, and Hex
#182049 is the 20% darker color. If the color is saturated by 10%, you get
#49527F. If the color is desaturated by 10%, the color
#4D5479 is obtained.