The hex color #3A3F2D is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C5C0D2. The grayscale version is
#373737. A 20% lighter version of the original color is
#6D7260, and Hex
#070C00 is the 20% darker color. If the color is saturated by 10%, you get
#3A402C. If the color is desaturated by 10%, the color
#3A3E2E is obtained.