The hex color #3e7cf9 is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#C18306. The grayscale version is
#919191. A 20% lighter version of the original color is
#71AFFF, and Hex
#0B49C6 is the 20% darker color. If the color is saturated by 10%, you get
#367AFF. If the color is desaturated by 10%, the color
#467EEF is obtained.