Cobalt blue color: code #0047AB
Cobalt blue
#0047AB
Color codes
- HEX
#0047AB - RGB
rgb(0, 71, 171) - HSL
hsl(215, 100%, 34%) - HSV
hsv(215, 100%, 67%) - CMYK
cmyk(100%, 58%, 0%, 33%) - LAB
lab(32.8% 22.5 -58.4) - OKLCH
oklch(42.8% 0.172 259.7)
About the color Cobalt blue
Cobalt blue has the HEX code #0047AB, which corresponds to rgb(0, 71, 171) in the RGB model. On the color wheel its hue sits at 215°, with 100% saturation and 34% lightness (hsl(215, 100%, 34%)).
Because of its hue it reads as a cool color: it tends to feel calm and distant, and it visually “recedes” in a composition.
As a background it calls for light text: white reaches a 8.43:1 contrast ratio on it, versus 2.48:1 for black.
For print, the approximate conversion is cmyk(100%, 58%, 0%, 33%). Always confirm with your printer’s color profile, because the result depends on paper and ink.
Lighter tints
Darker shades
Color combinations with Cobalt blue
Complementary
#0047AB · #AD6500
Analogous
#009FAD · #0047AB · #0E00AD
Triadic
#0047AB · #AD0048 · #48AD00
Tetradic
#0047AB · #AD009F · #AD6500 · #00AD0E
Split-complementary
#0047AB · #AD0E00 · #9FAD00
Monochromatic
#00132E · #00337A · #0047AB · #0068FA · #4794FF
Cobalt blue with white and black text
How to use it in CSS
:root {
--color-cobalt-blue: #0047AB;
--color-cobalt-blue-rgb: 0, 71, 171;
}
.elemento {
background-color: var(--color-cobalt-blue);
color: #FFFFFF;
}