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3B3F40

#3B3F40 Tamahagane

#3B3F40 is a dark gray named Tamahagane. In the RGB color model it is made of 23.1% red, 24.7% green and 25.1% blue (rgb(59, 63, 64)). Its HSL value is 192° hue, 4% saturation and 24% lightness, and in CMYK it is 8% cyan, 2% magenta, 0% yellow and 75% black. #3B3F40 is a neutral color. White text reads best on it, with a contrast ratio of 10.65:1.

Make a palette with #3B3F40

#3B3F40 color conversion

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RGB
HSL
HSB / HSV
HWB
CMYK
XYZ
CIELAB
CIELCh
CIELUV
OKLCH

Variations of #3B3F40

Shades

Mixed with black: richer and darker.

3B3F40323536292C2D212324191B1B111213090A0B040405010101000000

Tints

Mixed with white: lighter and softer.

3B3F404C50515E616270747483868797999AABADADBFC1C1D4D5D5E9EAEA

Tones

Mixed with gray: calmer and more muted.

3B3F40414546484B4C4F52525658595C5F5F6365666A6C6C727273797979

Hues

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

3C3F3D3B3F3E3B3F3E3B3F3F3B3F403B3F403B3F403B3F413C3F413C3E413D3E41

Temperatures

Cooler on the left, warmer on the right.

3A4D663A4A5E3A47573B454F3B42483B3F404342414B46415249415A4C41625042

#3B3F40 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

3B3F40403C3B
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Split complementary

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

3B3F40403B3D403F3B
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Analogous

Neighbouring hues — calm, cohesive and natural.

3B3F403B403F3B3D40
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Triadic

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

3B3F40403B3F3F403B
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Tetradic

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

3B3F403C3B40403C3B3F403B
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Square

Four hues spaced at 90° — bold and playful.

3B3F403F3B40403C3B3D403B
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#3B3F40 for color-blind viewers (and dogs)

How #3B3F40 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 99% similarHow dogs see it · simulated as #3D3E40
  • Protanopia 99% similar1.3% of men, 0.02% of women · simulated as #3E3F40
  • Protanomaly 99% similar1.3% of men, 0.02% of women · simulated as #3D3F40
  • Deuteranopia 99% similar1.2% of men, 0.01% of women · simulated as #3D3E40
  • Deuteranomaly 99% similar5% of men, 0.35% of women · simulated as #3D3E40
  • Tritanopia 99% similar0.001% of men, 0.03% of women · simulated as #3A3F3F
  • Tritanomaly 100% similar0.0001% of men, 0.0001% of women · simulated as #3A3F40
  • Achromatopsia 99% similar0.003% of men, 0.003% of women · simulated as #3E3E3E
  • Achromatomaly 99% similar0.001% of men, 0.001% of women · simulated as #3D3E3F

#3B3F40 contrast checker

AaThe quick brown fox jumps over the lazy dog.
10.65:1 Very good#3B3F40 text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
1.97:1 Very poor#3B3F40 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 #3B3F40

Palettes with #3B3F40

#3B3F40 in CSS

/* Tamahagane */
.color { color: #3B3F40; }
.background { background-color: #3B3F40; }
.border { border: 1px solid #3B3F40; }

/* Other notations */
color: rgb(59 63 64);
color: hsl(192 4% 24%);
color: oklch(0.364 0.006 214.4);

#3B3F40 FAQ

What color is #3B3F40?

#3B3F40 is a dark gray. Its closest named color is Tamahagane. It belongs to the gray color family and is a neutral color.

What is the RGB value of #3B3F40?

#3B3F40 is rgb(59, 63, 64) in RGB, hsl(192, 4%, 24%) in HSL and cmyk(8%, 2%, 0%, 75%) in CMYK.

What is the complementary color of #3B3F40?

The complementary color of #3B3F40 is #403C3B, which sits opposite it on the color wheel.

Which text color works on #3B3F40?

White text has the best contrast on #3B3F40: 10.65:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #3B3F40 a warm or cool color?

#3B3F40 is a neutral color.