The hex color #2a75df is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#D58A20. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#5DA8FF, and Hex
#0042AC is the 20% darker color. If the color is saturated by 10%, you get
#2174E9. If the color is desaturated by 10%, the color
#3376D5 is obtained.