The hex color #1a7de1 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E5821E. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#4DB0FF, and Hex
#004AAE is the 20% darker color. If the color is saturated by 10%, you get
#107DEB. If the color is desaturated by 10%, the color
#247DD7 is obtained.