The hex color #2f3e3d is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D0C1C2. The grayscale version is
#393939. A 20% lighter version of the original color is
#627170, and Hex
#000B0A is the 20% darker color. If the color is saturated by 10%, you get
#2E3F3D. If the color is desaturated by 10%, the color
#303D3D is obtained.