The hex color #2e83c5 is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#D17C3A. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#61B6F8, and Hex
#005092 is the 20% darker color. If the color is saturated by 10%, you get
#2684CC. If the color is desaturated by 10%, the color
#3682BE is obtained.