The hex color #2e7df7 is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#D18208. The grayscale version is
#8B8B8B. A 20% lighter version of the original color is
#61B0FF, and Hex
#004AC4 is the 20% darker color. If the color is saturated by 10%, you get
#257CFF. If the color is desaturated by 10%, the color
#377EEC is obtained.