Close to Dark Slate Gray
#283F37
#283F37 is a very dark, muted green, close to the color Dark Slate Gray. In RGB it’s made of 15.7% red, 24.7% green, and 21.6% blue. Its hue is 159°, with 22% saturation and 20% 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 #283F37.
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
11.31:1 AAABlack text on this color
1.86:1 FailThis color as text on white
11.31:1 AAAThis color as text on black
1.86:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #283F37 as they’d see it.
#283F37 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
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Questions about #283F37
What color is #283F37?
#283F37 is a very dark, muted green, close to the color Dark Slate Gray. In RGB it’s made of 15.7% red, 24.7% green, and 21.6% blue. Its hue is 159°, with 22% saturation and 20% lightness, so it reads as a cool color. White text sits best on top of it.
What is #283F37 in RGB?
#283F37 is rgb(40, 63, 55): 40 red, 63 green, and 55 blue on a 0–255 scale.
What is #283F37 in CMYK?
Roughly cmyk(37, 0, 13, 75). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #283F37?
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 #283F37?
Its complement #4A343C gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.