The hex color #a4423e is a dark color. The web-safe version is Hex
#993333. A complementary color is
#5BBDC1. The grayscale version is
#616161. A 20% lighter version of the original color is
#D77571, and Hex
#710F0B is the 20% darker color. If the color is saturated by 10%, you get
#AB3F3A. If the color is desaturated by 10%, the color
#9D4542 is obtained.