The hex color #2d291b is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D2D6E4. The grayscale version is
#262626. A 20% lighter version of the original color is
#605C4E, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#2E291A. If the color is desaturated by 10%, the color
#2C291C is obtained.