The hex color #04419e is a dark color. The web-safe version is Hex
#003399. A complementary color is
#FBBE61. The grayscale version is
#4C4C4C. A 20% lighter version of the original color is
#3774D1, and Hex
#000E6B is the 20% darker color. If the color is saturated by 10%, you get
#0040A6. If the color is desaturated by 10%, the color
#0B4296 is obtained.