The hex color #1f02db is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#E0FD24. The grayscale version is
#545454. A 20% lighter version of the original color is
#5235FF, and Hex
#0000A8 is the 20% darker color. If the color is saturated by 10%, you get
#1A00E9. If the color is desaturated by 10%, the color
#240ACE is obtained.