The hex color #6b9cfc is a light color. The web-safe version is Hex
#6699FF. A complementary color is
#946303. The grayscale version is
#ACACAC. A 20% lighter version of the original color is
#9ECFFF, and Hex
#3869C9 is the 20% darker color. If the color is saturated by 10%, you get
#659AFF. If the color is desaturated by 10%, the color
#719EF4 is obtained.