The hex color #0000bb is a dark color. The web-safe version is Hex
#0000CC. A complementary color is
#FFFF44. The grayscale version is
#3E3E3E. A 20% lighter version of the original color is
#3333EE, and Hex
#000088 is the 20% darker color. If the color is saturated by 10%, you get
#0000C7. If the color is desaturated by 10%, the color
#0606AF is obtained.