The hex color #df361b is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#20C9E4. The grayscale version is
#656565. A 20% lighter version of the original color is
#FF694E, and Hex
#AC0300 is the 20% darker color. If the color is saturated by 10%, you get
#EB3114. If the color is desaturated by 10%, the color
#D33B22 is obtained.