The hex color #e13f08 is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#1EC0F7. The grayscale version is
#636363. A 20% lighter version of the original color is
#FF723B, and Hex
#AE0C00 is the 20% darker color. If the color is saturated by 10%, you get
#EE3B00. If the color is desaturated by 10%, the color
#D44311 is obtained.