The hex color #06669c is a dark color. The web-safe version is Hex
#006699. A complementary color is
#F99963. The grayscale version is
#585858. A 20% lighter version of the original color is
#3999CF, and Hex
#003369 is the 20% darker color. If the color is saturated by 10%, you get
#0067A3. If the color is desaturated by 10%, the color
#0E6595 is obtained.