The hex color #1d2e8f is a dark color. The web-safe version is Hex
#333399. A complementary color is
#E2D170. The grayscale version is
#494949. A 20% lighter version of the original color is
#5061C2, and Hex
#00005C is the 20% darker color. If the color is saturated by 10%, you get
#192B96. If the color is desaturated by 10%, the color
#213188 is obtained.