The hex color #2c44d3 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D3BB2C. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#5F77FF, and Hex
#0011A0 is the 20% darker color. If the color is saturated by 10%, you get
#2640DD. If the color is desaturated by 10%, the color
#3248C9 is obtained.