The hex color #3e2e1e is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C1D1E1. The grayscale version is
#2E2E2E. A 20% lighter version of the original color is
#716151, and Hex
#0B0000 is the 20% darker color. If the color is saturated by 10%, you get
#402E1C. If the color is desaturated by 10%, the color
#3C2E20 is obtained.