The hex color #02187c is a dark color. The web-safe version is Hex
#000066. A complementary color is
#FDE783. The grayscale version is
#323232. A 20% lighter version of the original color is
#354BAF, and Hex
#000049 is the 20% darker color. If the color is saturated by 10%, you get
#001583. If the color is desaturated by 10%, the color
#071B75 is obtained.