The hex color #0000d7 is a dark color. The web-safe version is Hex
#0000CC. A complementary color is
#FFFF28. The grayscale version is
#484848. A 20% lighter version of the original color is
#3333FF, and Hex
#0000A4 is the 20% darker color. If the color is saturated by 10%, you get
#0000E5. If the color is desaturated by 10%, the color
#0707C9 is obtained.