The hex color #3e7adc is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#C18523. The grayscale version is
#878787. A 20% lighter version of the original color is
#71ADFF, and Hex
#0B47A9 is the 20% darker color. If the color is saturated by 10%, you get
#3779E5. If the color is desaturated by 10%, the color
#457BD3 is obtained.