The hex color #fd1b13 is a dark color. The web-safe version is Hex
#FF3300. A complementary color is
#02E4EC. The grayscale version is
#646464. A 20% lighter version of the original color is
#FF4E46, and Hex
#CA0000 is the 20% darker color. If the color is saturated by 10%, you get
#FF140B. If the color is desaturated by 10%, the color
#EE221B is obtained.