The hex color #533e3c is a dark color. The web-safe version is Hex
#663333. A complementary color is
#ACC1C3. The grayscale version is
#444444. A 20% lighter version of the original color is
#86716F, and Hex
#200B09 is the 20% darker color. If the color is saturated by 10%, you get
#543D3B. If the color is desaturated by 10%, the color
#523F3D is obtained.