The hex color #3c7ab8 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#C38547. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#6FADEB, and Hex
#094785 is the 20% darker color. If the color is saturated by 10%, you get
#367ABE. If the color is desaturated by 10%, the color
#427AB2 is obtained.