The hex color #064db0 is a dark color. The web-safe version is Hex
#006699. A complementary color is
#F9B24F. The grayscale version is
#565656. A 20% lighter version of the original color is
#3980E3, and Hex
#001A7D is the 20% darker color. If the color is saturated by 10%, you get
#004CB9. If the color is desaturated by 10%, the color
#0E4EA7 is obtained.