The hex color #1a2b64 is a dark color. The web-safe version is Hex
#333366. A complementary color is
#E5D49B. The grayscale version is
#383838. A 20% lighter version of the original color is
#4D5E97, and Hex
#000031 is the 20% darker color. If the color is saturated by 10%, you get
#172A68. If the color is desaturated by 10%, the color
#1D2C60 is obtained.