The hex color #DA3E11 is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#25C1EE. The grayscale version is
#636363. A 20% lighter version of the original color is
#FF7144, and Hex
#A70B00 is the 20% darker color. If the color is saturated by 10%, you get
#E63A09. If the color is desaturated by 10%, the color
#CE4219 is obtained.