The hex color #3d2936 is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2D6C9. The grayscale version is
#343434. A 20% lighter version of the original color is
#705C69, and Hex
#0A0003 is the 20% darker color. If the color is saturated by 10%, you get
#3E2836. If the color is desaturated by 10%, the color
#3C2A36 is obtained.