The hex color #4a381c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#B5C7E3. The grayscale version is
#353535. A 20% lighter version of the original color is
#7D6B4F, and Hex
#170500 is the 20% darker color. If the color is saturated by 10%, you get
#4C381A. If the color is desaturated by 10%, the color
#48381E is obtained.