The hex color #5c706c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#A38F93. The grayscale version is
#686868. A 20% lighter version of the original color is
#8FA39F, and Hex
#293D39 is the 20% darker color. If the color is saturated by 10%, you get
#5B716C. If the color is desaturated by 10%, the color
#5D6F6C is obtained.