Close to Yale Blue
#004591
#004591 is a dark, vivid blue, close to the color Yale Blue. In RGB it’s made of 0% red, 27.1% green, and 56.9% blue. Its hue is 211°, with 100% saturation and 28% 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 #004591.
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
9.29:1 AAABlack text on this color
2.26:1 FailThis color as text on white
9.29:1 AAAThis color as text on black
2.26:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #004591 as they’d see it.
#004591 in use
A headline in this color
Body text stays dark for reading; the color carries buttons, links, and accents.
On a dark background
Get startedSimilar colors
Brands with a similar color
Brand names identify the brands only; no affiliation. Test yourself in Brand Colors.
Questions about #004591
What color is #004591?
#004591 is a dark, vivid blue, close to the color Yale Blue. In RGB it’s made of 0% red, 27.1% green, and 56.9% blue. Its hue is 211°, with 100% saturation and 28% lightness, so it reads as a cool color. White text sits best on top of it.
What is #004591 in RGB?
#004591 is rgb(0, 69, 145): 0 red, 69 green, and 145 blue on a 0–255 scale.
What is #004591 in CMYK?
Roughly cmyk(100, 52, 0, 43). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #004591?
PANTONE 288 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #004591?
Its complement #6F3901 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.