The hex color #1e374a is a dark color. The web-safe version is Hex
#333333. A complementary color is
#E1C8B5. The grayscale version is
#353535. A 20% lighter version of the original color is
#516A7D, and Hex
#000417 is the 20% darker color. If the color is saturated by 10%, you get
#1C374C. If the color is desaturated by 10%, the color
#203748 is obtained.