The hex color #6d8df0 is a light color. The web-safe version is Hex
#6699FF. A complementary color is
#92720F. The grayscale version is
#A3A3A3. A 20% lighter version of the original color is
#A0C0FF, and Hex
#3A5ABD is the 20% darker color. If the color is saturated by 10%, you get
#688BF8. If the color is desaturated by 10%, the color
#728FE8 is obtained.