Swatch
#0047AB Cobalt
#0047AB is a dark, vivid blue, known as Cobalt. In RGB it’s made of 0% red, 27.8% green, and 67.1% blue. Its hue is 215°, with 100% saturation and 34% lightness, so it reads as a cool color. White text sits best on top of it.
Color codes
Tints, shades & tones
Tints add white, shades add black, tones add gray. Tap any one to open its page.
Tints
Shades
Tones
Color harmonies
Combinations from the color wheel, built around #0047AB.
Split complementary
The two neighbors of the complement: contrast that’s easier to balance.
Open in the palette creator →Tetradic
Two complementary pairs: rich, best with one color in charge.
Open in the palette creator →Contrast & readability
WCAG contrast ratios for text. 4.5:1 is the minimum for body text, 3:1 for large text.
White text on this color
8.44:1 AAABlack text on this color
2.49:1 FailThis color as text on white
8.44:1 AAAThis color as text on black
2.49:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #0047AB as they’d see it.
#0047AB in use
A headline in this color
Body text stays dark for reading; the color carries buttons, links, and accents.
On a dark background
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Brands with a similar color
Brand names identify the brands only; no affiliation. Test yourself in Brand Colors.
Questions about #0047AB
What color is #0047AB?
#0047AB is a dark, vivid blue, known as Cobalt. In RGB it’s made of 0% red, 27.8% green, and 67.1% blue. Its hue is 215°, with 100% saturation and 34% lightness, so it reads as a cool color. White text sits best on top of it.
What is #0047AB in RGB?
#0047AB is rgb(0, 71, 171): 0 red, 71 green, and 171 blue on a 0–255 scale.
What is #0047AB in CMYK?
Roughly cmyk(100, 58, 0, 33). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #0047AB?
PANTONE 293 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #0047AB?
Its complement #744100 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.