The hex color #1b70d0 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E48F2F. The grayscale version is
#747474. A 20% lighter version of the original color is
#4EA3FF, and Hex
#003D9D is the 20% darker color. If the color is saturated by 10%, you get
#1270D9. If the color is desaturated by 10%, the color
#2470C7 is obtained.