The hex color #a3220c is a dark color. The web-safe version is Hex
#993300. A complementary color is
#5CDDF3. The grayscale version is
#464646. A 20% lighter version of the original color is
#D6553F, and Hex
#700000 is the 20% darker color. If the color is saturated by 10%, you get
#AC1E06. If the color is desaturated by 10%, the color
#9A2612 is obtained.