The hex color #c4445d is a dark color. The web-safe version is Hex
#CC3366. A complementary color is
#3BBBA2. The grayscale version is
#777777. A 20% lighter version of the original color is
#F77790, and Hex
#91112A is the 20% darker color. If the color is saturated by 10%, you get
#CC3F5A. If the color is desaturated by 10%, the color
#BC4960 is obtained.