The hex color #180dbc is a dark color. The web-safe version is Hex
#0000CC. A complementary color is
#E7F243. The grayscale version is
#4B4B4B. A 20% lighter version of the original color is
#4B40EF, and Hex
#000089 is the 20% darker color. If the color is saturated by 10%, you get
#1307C7. If the color is desaturated by 10%, the color
#1D13B1 is obtained.