The hex color #5c667c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#A39983. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#8F99AF, and Hex
#293349 is the 20% darker color. If the color is saturated by 10%, you get
#5B667E. If the color is desaturated by 10%, the color
#5D667A is obtained.