The hex color #a7424d is a dark color. The web-safe version is Hex
#993366. A complementary color is
#58BDB2. The grayscale version is
#676767. A 20% lighter version of the original color is
#DA7580, and Hex
#740F1A is the 20% darker color. If the color is saturated by 10%, you get
#AD3E4A. If the color is desaturated by 10%, the color
#A14650 is obtained.