The hex color #5E9EE3 is a light color. The web-safe version is Hex
#6699CC. A complementary color is
#A1611C. The grayscale version is
#A0A0A0. A 20% lighter version of the original color is
#91D1FF, and Hex
#2B6BB0 is the 20% darker color. If the color is saturated by 10%, you get
#579EEA. If the color is desaturated by 10%, the color
#659EDC is obtained.