The hex color #6d8ee4 is a light color. The web-safe version is Hex
#6699CC. A complementary color is
#92711B. The grayscale version is
#A0A0A0. A 20% lighter version of the original color is
#A0C1FF, and Hex
#3A5BB1 is the 20% darker color. If the color is saturated by 10%, you get
#688CEB. If the color is desaturated by 10%, the color
#7290DD is obtained.