The hex color #1e3e2b is a dark color. The web-safe version is Hex
#333333. A complementary color is
#E1C1D4. The grayscale version is
#2D2D2D. A 20% lighter version of the original color is
#51715E, and Hex
#000B00 is the 20% darker color. If the color is saturated by 10%, you get
#1D402B. If the color is desaturated by 10%, the color
#203C2B is obtained.