The hex color #a41d06 is a dark color. The web-safe version is Hex
#993300. A complementary color is
#5BE2F9. The grayscale version is
#424242. A 20% lighter version of the original color is
#D75039, and Hex
#710000 is the 20% darker color. If the color is saturated by 10%, you get
#AE1900. If the color is desaturated by 10%, the color
#9A210C is obtained.