The hex color #a13822 is a dark color. The web-safe version is Hex
#993333. A complementary color is
#5EC7DD. The grayscale version is
#545454. A 20% lighter version of the original color is
#D46B55, and Hex
#6E0500 is the 20% darker color. If the color is saturated by 10%, you get
#A9351D. If the color is desaturated by 10%, the color
#993B27 is obtained.