The hex color #1f45be is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E0BA41. The grayscale version is
#616161. A 20% lighter version of the original color is
#5278F1, and Hex
#00128B is the 20% darker color. If the color is saturated by 10%, you get
#1842C7. If the color is desaturated by 10%, the color
#2648B5 is obtained.