The hex color #6d1f0c is a dark color. The web-safe version is Hex
#663300. A complementary color is
#92E0F3. The grayscale version is
#333333. A 20% lighter version of the original color is
#A0523F, and Hex
#3A0000 is the 20% darker color. If the color is saturated by 10%, you get
#731D08. If the color is desaturated by 10%, the color
#672110 is obtained.