The hex color #3E4C33 is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C1B3CC. The grayscale version is
#3F3F3F. A 20% lighter version of the original color is
#717F66, and Hex
#0B1900 is the 20% darker color. If the color is saturated by 10%, you get
#3E4D32. If the color is desaturated by 10%, the color
#3E4B34 is obtained.