The hex color #1a56c0 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E5A93F. The grayscale version is
#656565. A 20% lighter version of the original color is
#4D89F3, and Hex
#00238D is the 20% darker color. If the color is saturated by 10%, you get
#1254C9. If the color is desaturated by 10%, the color
#2258B7 is obtained.