Close to Oxford Blue
#181A40
#181A40 is a very dark, rich blue, close to the color Oxford Blue. In RGB it’s made of 9.4% red, 10.2% green, and 25.1% blue. Its hue is 237°, with 45% saturation and 17% 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 #181A40.
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
16.66:1 AAABlack text on this color
1.26:1 FailThis color as text on white
16.66:1 AAAThis color as text on black
1.26:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #181A40 as they’d see it.
#181A40 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 #181A40
What color is #181A40?
#181A40 is a very dark, rich blue, close to the color Oxford Blue. In RGB it’s made of 9.4% red, 10.2% green, and 25.1% blue. Its hue is 237°, with 45% saturation and 17% lightness, so it reads as a cool color. White text sits best on top of it.
What is #181A40 in RGB?
#181A40 is rgb(24, 26, 64): 24 red, 26 green, and 64 blue on a 0–255 scale.
What is #181A40 in CMYK?
Roughly cmyk(63, 59, 0, 75). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #181A40?
PANTONE 276 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #181A40?
Its complement #221F00 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.