The hex color #3a271c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C5D8E3. The grayscale version is
#2A2A2A. A 20% lighter version of the original color is
#6D5A4F, and Hex
#070000 is the 20% darker color. If the color is saturated by 10%, you get
#3C271B. If the color is desaturated by 10%, the color
#38271D is obtained.