The hex color #a4424d is a dark color. The web-safe version is Hex
#993366. A complementary color is
#5BBDB2. The grayscale version is
#666666. A 20% lighter version of the original color is
#D77580, and Hex
#710F1A is the 20% darker color. If the color is saturated by 10%, you get
#AA3E4A. If the color is desaturated by 10%, the color
#9E4650 is obtained.