The hex color #c4474f is a dark color. The web-safe version is Hex
#CC3366. A complementary color is
#3BB8B0. The grayscale version is
#737373. A 20% lighter version of the original color is
#F77A82, and Hex
#91141C is the 20% darker color. If the color is saturated by 10%, you get
#CC434B. If the color is desaturated by 10%, the color
#BC4B53 is obtained.