The hex color #1e4b64 is a dark color. The web-safe version is Hex
#333366. A complementary color is
#E1B49B. The grayscale version is
#444444. A 20% lighter version of the original color is
#517E97, and Hex
#001831 is the 20% darker color. If the color is saturated by 10%, you get
#1A4C67. If the color is desaturated by 10%, the color
#224A61 is obtained.