The hex color #a7342d is a dark color. The web-safe version is Hex
#993333. A complementary color is
#58CBD2. The grayscale version is
#585858. A 20% lighter version of the original color is
#DA6760, and Hex
#740100 is the 20% darker color. If the color is saturated by 10%, you get
#AF3029. If the color is desaturated by 10%, the color
#9F3831 is obtained.