The hex color #1e7cd3 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E1832C. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#51AFFF, and Hex
#0049A0 is the 20% darker color. If the color is saturated by 10%, you get
#157CDC. If the color is desaturated by 10%, the color
#277CCA is obtained.