The hex color #d4163c is a dark color. The web-safe version is Hex
#CC0033. A complementary color is
#2BE9C3. The grayscale version is
#626262. A 20% lighter version of the original color is
#FF496F, and Hex
#A10009 is the 20% darker color. If the color is saturated by 10%, you get
#DF0E38. If the color is desaturated by 10%, the color
#C91E40 is obtained.