The hex color #1b426f is a dark color. The web-safe version is Hex
#333366. A complementary color is
#E4BD90. The grayscale version is
#444444. A 20% lighter version of the original color is
#4E75A2, and Hex
#000F3C is the 20% darker color. If the color is saturated by 10%, you get
#174273. If the color is desaturated by 10%, the color
#1F426B is obtained.