The hex color #253adf is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#DAC520. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#586DFF, and Hex
#0007AC is the 20% darker color. If the color is saturated by 10%, you get
#1E35EB. If the color is desaturated by 10%, the color
#2C3FD3 is obtained.