The hex color #000187 is a dark color. The web-safe version is Hex
#000099. A complementary color is
#FFFE78. The grayscale version is
#2D2D2D. A 20% lighter version of the original color is
#3334BA, and Hex
#000054 is the 20% darker color. If the color is saturated by 10%, you get
#000090. If the color is desaturated by 10%, the color
#05057E is obtained.