#00378F
Closest to "midnightblue" · rgb(0, 55, 143)
Color codes
Shades & tints
About #00378F
#00378F is a color with red 0, green 55 and blue 143 (on a 0–255 scale). In HSL it sits at a hue of 217°, 100% saturation and 28% lightness. For print, its CMYK breakdown is cmyk(100%, 62%, 0%, 44%). The closest named CSS color is midnightblue. Use the swatches above to step through lighter tints and darker shades — each opens its own page with full codes you can copy in one click.