The hex color #df1013 is a dark color. The web-safe version is Hex
#CC0000. A complementary color is
#20EFEC. The grayscale version is
#565656. A 20% lighter version of the original color is
#FF4346, and Hex
#AC0000 is the 20% darker color. If the color is saturated by 10%, you get
#ED090C. If the color is desaturated by 10%, the color
#D1171A is obtained.