Close to Onyx
#313838
#313838 is a very dark neutral gray, close to the color Onyx. In RGB it’s made of 19.2% red, 22% green, and 22% blue. Its hue is 180°, with 7% saturation and 21% lightness, so it reads as a neutral 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 #313838.
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
11.98:1 AAABlack text on this color
1.75:1 FailThis color as text on white
11.98:1 AAAThis color as text on black
1.75:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #313838 as they’d see it.
#313838 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 #313838
What color is #313838?
#313838 is a very dark neutral gray, close to the color Onyx. In RGB it’s made of 19.2% red, 22% green, and 22% blue. Its hue is 180°, with 7% saturation and 21% lightness, so it reads as a neutral color. White text sits best on top of it.
What is #313838 in RGB?
#313838 is rgb(49, 56, 56): 49 red, 56 green, and 56 blue on a 0–255 scale.
What is #313838 in CMYK?
Roughly cmyk(13, 0, 0, 78). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #313838?
PANTONE 447 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #313838?
Its complement #3C3535 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.