The hex color #3d3e2e is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2C1D1. The grayscale version is
#383838. A 20% lighter version of the original color is
#707161, and Hex
#0A0B00 is the 20% darker color. If the color is saturated by 10%, you get
#3D3F2D. If the color is desaturated by 10%, the color
#3D3D2F is obtained.