The hex color #2e2e3e is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D1D1C1. The grayscale version is
#333333. A 20% lighter version of the original color is
#616171, and Hex
#00000B is the 20% darker color. If the color is saturated by 10%, you get
#2D2D3F. If the color is desaturated by 10%, the color
#2F2F3D is obtained.