The hex color #1E2B3E is a dark color. The web-safe version is Hex
#333333. A complementary color is
#E1D4C1. The grayscale version is
#2D2D2D. A 20% lighter version of the original color is
#515E71, and Hex
#00000B is the 20% darker color. If the color is saturated by 10%, you get
#1D2B40. If the color is desaturated by 10%, the color
#202B3C is obtained.