The hex color #1d74e5 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E28B1A. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#50A7FF, and Hex
#0041B2 is the 20% darker color. If the color is saturated by 10%, you get
#1373EF. If the color is desaturated by 10%, the color
#2775DB is obtained.