The hex color #3e69b9 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#C19646. The grayscale version is
#757575. A 20% lighter version of the original color is
#719CEC, and Hex
#0B3686 is the 20% darker color. If the color is saturated by 10%, you get
#3868C0. If the color is desaturated by 10%, the color
#446AB2 is obtained.