The hex color #1f64be is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E09B41. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#5297F1, and Hex
#00318B is the 20% darker color. If the color is saturated by 10%, you get
#1763C6. If the color is desaturated by 10%, the color
#2765B6 is obtained.