The hex color #004b7c is a dark color. The web-safe version is Hex
#003366. A complementary color is
#FFB483. The grayscale version is
#424242. A 20% lighter version of the original color is
#337EAF, and Hex
#001849 is the 20% darker color. If the color is saturated by 10%, you get
#004C82. If the color is desaturated by 10%, the color
#074A76 is obtained.