The hex color #f4222c is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#0BDDD3. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#FF555F, and Hex
#C10000 is the 20% darker color. If the color is saturated by 10%, you get
#FF1B26. If the color is desaturated by 10%, the color
#E62932 is obtained.