The hex color #1d50b9 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E2AF46. The grayscale version is
#626262. A 20% lighter version of the original color is
#5083EC, and Hex
#001D86 is the 20% darker color. If the color is saturated by 10%, you get
#164EC2. If the color is desaturated by 10%, the color
#2452B0 is obtained.