The hex color #1b6ebf is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E49140. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#4EA1F2, and Hex
#003B8C is the 20% darker color. If the color is saturated by 10%, you get
#136EC7. If the color is desaturated by 10%, the color
#236EB7 is obtained.