The hex color #0d647c is a dark color. The web-safe version is Hex
#006666. A complementary color is
#F29B83. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#4097AF, and Hex
#003149 is the 20% darker color. If the color is saturated by 10%, you get
#066681. If the color is desaturated by 10%, the color
#146278 is obtained.