The hex color #722c0c is a dark color. The web-safe version is Hex
#663300. A complementary color is
#8DD3F3. The grayscale version is
#393939. A 20% lighter version of the original color is
#A55F3F, and Hex
#3F0000 is the 20% darker color. If the color is saturated by 10%, you get
#782B08. If the color is desaturated by 10%, the color
#6C2D10 is obtained.