The hex color #d11a08 is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#2EE5F7. The grayscale version is
#515151. A 20% lighter version of the original color is
#FF4D3B, and Hex
#9E0000 is the 20% darker color. If the color is saturated by 10%, you get
#DE1501. If the color is desaturated by 10%, the color
#C4200F is obtained.