The hex color #1a03d2 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#E5FC2D. The grayscale version is
#505050. A 20% lighter version of the original color is
#4D36FF, and Hex
#00009F is the 20% darker color. If the color is saturated by 10%, you get
#1500DF. If the color is desaturated by 10%, the color
#1F0BC5 is obtained.