The hex color #ee143f is a dark color. The web-safe version is Hex
#FF0033. A complementary color is
#11EBC0. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#FF4772, and Hex
#BB000C is the 20% darker color. If the color is saturated by 10%, you get
#FB0B3B. If the color is desaturated by 10%, the color
#E11D43 is obtained.