The hex color #1b65b8 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E49A47. The grayscale version is
#686868. A 20% lighter version of the original color is
#4E98EB, and Hex
#003285 is the 20% darker color. If the color is saturated by 10%, you get
#1365C0. If the color is desaturated by 10%, the color
#2365B0 is obtained.