The hex color #004c6c is a dark color. The web-safe version is Hex
#003366. A complementary color is
#FFB393. The grayscale version is
#3D3D3D. A 20% lighter version of the original color is
#337F9F, and Hex
#001939 is the 20% darker color. If the color is saturated by 10%, you get
#004D71. If the color is desaturated by 10%, the color
#064B67 is obtained.