The hex color #2e1d1a is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D1E2E5. The grayscale version is
#222222. A 20% lighter version of the original color is
#61504D, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#2F1D19. If the color is desaturated by 10%, the color
#2D1D1B is obtained.