The hex color #3e82d0 is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#C17D2F. The grayscale version is
#858585. A 20% lighter version of the original color is
#71B5FF, and Hex
#0B4F9D is the 20% darker color. If the color is saturated by 10%, you get
#3782D7. If the color is desaturated by 10%, the color
#4582C9 is obtained.