The hex color #801d3c is a dark color. The web-safe version is Hex
#993333. A complementary color is
#7FE2C3. The grayscale version is
#484848. A 20% lighter version of the original color is
#B3506F, and Hex
#4D0009 is the 20% darker color. If the color is saturated by 10%, you get
#86193B. If the color is desaturated by 10%, the color
#7A213D is obtained.