The hex color #3d2a3e is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2D5C1. The grayscale version is
#373737. A 20% lighter version of the original color is
#705D71, and Hex
#0A000B is the 20% darker color. If the color is saturated by 10%, you get
#3E293F. If the color is desaturated by 10%, the color
#3C2B3D is obtained.