The hex color #54527c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#ABAD83. The grayscale version is
#616161. A 20% lighter version of the original color is
#8785AF, and Hex
#211F49 is the 20% darker color. If the color is saturated by 10%, you get
#53517F. If the color is desaturated by 10%, the color
#555379 is obtained.