The hex color #3b3d3c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C4C2C3. The grayscale version is
#3C3C3C. A 20% lighter version of the original color is
#6E706F, and Hex
#080A09 is the 20% darker color. If the color is saturated by 10%, you get
#3B3D3C. If the color is desaturated by 10%, the color
#3B3D3C is obtained.