The hex color #2b271c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D4D8E3. The grayscale version is
#252525. A 20% lighter version of the original color is
#5E5A4F, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#2C271B. If the color is desaturated by 10%, the color
#2A271D is obtained.