The hex color #2d343d is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D2CBC2. The grayscale version is
#353535. A 20% lighter version of the original color is
#606770, and Hex
#00010A is the 20% darker color. If the color is saturated by 10%, you get
#2C343E. If the color is desaturated by 10%, the color
#2E343C is obtained.