The hex color #f1372d is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#0EC8D2. The grayscale version is
#727272. A 20% lighter version of the original color is
#FF6A60, and Hex
#BE0400 is the 20% darker color. If the color is saturated by 10%, you get
#FE3126. If the color is desaturated by 10%, the color
#E43D34 is obtained.