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283F3B

#283F3B closest to Emerald Forest

#283F3B is a dark gray; the closest named color is Emerald Forest. In the RGB color model it is made of 15.7% red, 24.7% green and 23.1% blue (rgb(40, 63, 59)). Its HSL value is 170° hue, 22% saturation and 20% lightness, and in CMYK it is 37% cyan, 0% magenta, 6% yellow and 75% black. #283F3B is a neutral color. White text reads best on it, with a contrast ratio of 11.26:1.

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#283F3B color conversion

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OKLCH

Variations of #283F3B

Shades

Mixed with black: richer and darker.

283F3B2135321B2C291523210F1B19091211040A09020404010101000000

Tints

Mixed with white: lighter and softer.

283F3B3B504C4F625E6374707886838D9997A3ADABB9C1BFD0D5D4E7EAE9

Tones

Mixed with gray: calmer and more muted.

283F3B314541394B4842524F4A5855535F5C5C6563656C6A6E7272777979

Hues

The same lightness and chroma, rotated around the color wheel.

343D2D313E302E3E322C3F352A3F38283F3B273F3E273F40273E43283D452A3D47

Temperatures

Cooler on the left, warmer on the right.

274D62274A5A28475228454A284243283F3B32433C3B463C44493D4C4D3D55503D

#283F3B color harmonies

Complementary

The opposite hue — maximum contrast and energy.

283F3B3F282C
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Split complementary

The two hues next to the complement — contrast with less tension.

283F3B3F28383F3028
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Analogous

Neighbouring hues — calm, cohesive and natural.

283F3B283F3028383F
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Triadic

Three hues evenly spaced at 120° — vibrant yet balanced.

283F3B3B283F3F3B28
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Tetradic

Two complementary pairs — rich, best with one dominant color.

283F3B282C3F3F282C3F3B28
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Square

Four hues spaced at 90° — bold and playful.

283F3B30283F3F282C373F28
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#283F3B for color-blind viewers (and dogs)

How #283F3B appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 94% similarHow dogs see it · simulated as #39393B
  • Protanopia 94% similar1.3% of men, 0.02% of women · simulated as #3D3C3B
  • Protanomaly 95% similar1.3% of men, 0.02% of women · simulated as #383D3B
  • Deuteranopia 94% similar1.2% of men, 0.01% of women · simulated as #39393B
  • Deuteranomaly 96% similar5% of men, 0.35% of women · simulated as #353B3B
  • Tritanopia 98% similar0.001% of men, 0.03% of women · simulated as #21403E
  • Tritanomaly 99% similar0.0001% of men, 0.0001% of women · simulated as #253F3C
  • Achromatopsia 94% similar0.003% of men, 0.003% of women · simulated as #3B3B3B
  • Achromatomaly 95% similar0.001% of men, 0.001% of women · simulated as #373C3B

#283F3B contrast checker

AaThe quick brown fox jumps over the lazy dog.
11.26:1 Very good#283F3B text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
1.86:1 Very poor#283F3B text on black
AA normalFailAAA normalFail
AA largeFailAAA largeFail

Need another background? Pick any pair in the palette generator and open the contrast panel.

Colors similar to #283F3B

Palettes with #283F3B

#283F3B in CSS

/* Emerald Forest */
.color { color: #283F3B; }
.background { background-color: #283F3B; }
.border { border: 1px solid #283F3B; }

/* Other notations */
color: rgb(40 63 59);
color: hsl(170 22% 20%);
color: oklch(0.347 0.030 182.5);

#283F3B FAQ

What color is #283F3B?

#283F3B is a dark gray. Its closest named color is Emerald Forest. It belongs to the gray color family and is a neutral color.

What is the RGB value of #283F3B?

#283F3B is rgb(40, 63, 59) in RGB, hsl(170, 22%, 20%) in HSL and cmyk(37%, 0%, 6%, 75%) in CMYK.

What is the complementary color of #283F3B?

The complementary color of #283F3B is #3F282C, which sits opposite it on the color wheel.

Which text color works on #283F3B?

White text has the best contrast on #283F3B: 11.26:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #283F3B a warm or cool color?

#283F3B is a neutral color.