The hex color #a53d2b is a dark color. The web-safe version is Hex
#993333. A complementary color is
#5AC2D4. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#D8705E, and Hex
#720A00 is the 20% darker color. If the color is saturated by 10%, you get
#AD3A26. If the color is desaturated by 10%, the color
#9D4030 is obtained.