The hex color #e41309 is a dark color. The web-safe version is Hex
#CC0000. A complementary color is
#1BECF6. The grayscale version is
#555555. A 20% lighter version of the original color is
#FF463C, and Hex
#B10000 is the 20% darker color. If the color is saturated by 10%, you get
#F20C01. If the color is desaturated by 10%, the color
#D61A11 is obtained.