The hex color #1f2ece is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E0D131. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#5261FF, and Hex
#00009B is the 20% darker color. If the color is saturated by 10%, you get
#1929D9. If the color is desaturated by 10%, the color
#2533C3 is obtained.