The hex color #6891cc is a light color. The web-safe version is Hex
#6699CC. A complementary color is
#976E33. The grayscale version is
#979797. A 20% lighter version of the original color is
#9BC4FF, and Hex
#355E99 is the 20% darker color. If the color is saturated by 10%, you get
#6390D1. If the color is desaturated by 10%, the color
#6D92C7 is obtained.