The hex color #a73f35 is a dark color. The web-safe version is Hex
#993333. A complementary color is
#58C0CA. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#DA7268, and Hex
#740C02 is the 20% darker color. If the color is saturated by 10%, you get
#AE3C31. If the color is desaturated by 10%, the color
#A04239 is obtained.