The hex color #f73b44 is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#08C4BB. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#FF6E77, and Hex
#C40811 is the 20% darker color. If the color is saturated by 10%, you get
#FF343E. If the color is desaturated by 10%, the color
#EB424A is obtained.