The hex color #187adc is a dark color. The web-safe version is Hex
#0066CC. A complementary color is
#E78523. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#4BADFF, and Hex
#0047A9 is the 20% darker color. If the color is saturated by 10%, you get
#0E7AE6. If the color is desaturated by 10%, the color
#227AD2 is obtained.