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#37380B Color

#37380B is rgb(55, 56, 11) in RGB, hsl(61, 67%, 13%) in HSL, and about cmyk(2%, 0%, 80%, 78%) in CMYK. It has no registered color name of its own — the closest is Army Green (#4B5320), visibly different at ΔE 11.88. White text is the more readable choice on this background.

#37380B
HEX#37380B
RGBrgb(55, 56, 11)
HSLhsl(61, 67%, 13%)
HSVhsv(61, 80%, 22%)
CMYKcmyk(2%, 0%, 80%, 78%)
OKLCHoklch(33% 0.063 110.7)
LABlab(22.67% -5.40 26.33)
LCHlch(22.67% 26.88 101.59)

What #37380B Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #37380B, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Browse the full index of named colors A-Z or every yellow in the library.

#37380B Channel Values

How #37380B breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 55 · G 56 · B 118-bit channels as sent to the display
HSLH 61° · S 67% · L 13%Easiest model for building lighter and darker variants
HSVH 61° · S 80% · V 22%Matches the picker in most design tools
CMYKC 2% · M 0% · Y 80% · K 78%Approximate ink mix; confirm with an ICC profile before printing
Luminance12.12:1 vs white · 1.73:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #37380B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text12.12:1AA normal AA large AAA normal
Fails AABlack text1.73:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #37380B in the contrast checker.

Colors That Go With #37380B

Pairings derived from color-wheel relationships. The complementary color sits opposite #37380B; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #37380B

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #37380B.

How #37380B Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#37380B
Protanopia#38380B
Protanomaly#38380B
Deuteranopia#38380B
Deuteranomaly#37380B
Tritanopia#3A3535
Tritanomaly#393629
Achromatopsia#363636

Test a full palette in the color blindness simulator.

Using #37380B in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-37380b: #37380B;
CSS backgroundbackground-color: #37380B;
Tailwind configcolors: { 'color-37380b': '#37380B' }
SwiftUIColor(red: 0.216, green: 0.220, blue: 0.043)
Android XML<color name="color_37380b">#37380B</color>
SVG fillfill="#37380B"

More Yellow Colors

#37380B sits in the yellow family. These are its neighbours across that family's full range, each with its own breakdown.

#37380B Frequently Asked Questions

What color is #37380B?

#37380B is a darkest yellow — rgb(55, 56, 11) in RGB and hsl(61, 67%, 13%) in HSL. It carries no registered color name of its own; the closest named color is Army Green (#4B5320), which is visibly different at a CIE76 distance of 11.88.

What is the RGB value of #37380B?

#37380B is rgb(55, 56, 11) — red 55, green 56, and blue 11 on the 0-255 scale.

What is the CMYK value of #37380B?

#37380B converts to approximately cmyk(2%, 0%, 80%, 78%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #37380B be black or white?

White text is the more readable choice. #37380B scores 12.12:1 against white and 1.73:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #37380B as a CSS color keyword?

No. #37380B is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is darkolivegreen (#556B2F) at a CIE76 distance of 22.9, which is visibly different.

Open #37380B in a Tool

Keep exploring: every yellow in the color library, the guide to shades of yellow, or the full color library.