The hex color #a4411d is a dark color. The web-safe version is Hex
#993333. A complementary color is
#5BBEE2. The grayscale version is
#565656. A 20% lighter version of the original color is
#D77450, and Hex
#710E00 is the 20% darker color. If the color is saturated by 10%, you get
#AC3F17. If the color is desaturated by 10%, the color
#9C4323 is obtained.