Swatch
#21474F Petroleum
#21474F is a very dark, muted teal, known as Petroleum. In RGB it’s made of 12.9% red, 27.8% green, and 31% blue. Its hue is 190°, with 41% saturation and 22% 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 #21474F.
Split complementary
The two neighbors of the complement: contrast that’s easier to balance.
Open in the palette builder →Tetradic
Two complementary pairs: rich, best with one color in charge.
Open in the palette builder →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
10.10:1 AAABlack text on this color
2.08:1 FailThis color as text on white
10.10:1 AAAThis color as text on black
2.08:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #21474F as they’d see it.
#21474F 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 #21474F
What color is #21474F?
#21474F is a very dark, muted teal, known as Petroleum. In RGB it’s made of 12.9% red, 27.8% green, and 31% blue. Its hue is 190°, with 41% saturation and 22% lightness, so it reads as a cool color. White text sits best on top of it.
What is #21474F in RGB?
#21474F is rgb(33, 71, 79): 33 red, 71 green, and 79 blue on a 0–255 scale.
What is #21474F in CMYK?
Roughly cmyk(58, 10, 0, 69). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #21474F?
PANTONE 7477 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #21474F?
Its complement #563B35 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.