The hex color #df4a1a is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#20B5E5. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#FF7D4D, and Hex
#AC1700 is the 20% darker color. If the color is saturated by 10%, you get
#EB4712. If the color is desaturated by 10%, the color
#D34D22 is obtained.