The hex color #1c47ad is a dark color. The web-safe version is Hex
#333399. A complementary color is
#E3B852. The grayscale version is
#5B5B5B. A 20% lighter version of the original color is
#4F7AE0, and Hex
#00147A is the 20% darker color. If the color is saturated by 10%, you get
#1645B5. If the color is desaturated by 10%, the color
#2249A5 is obtained.