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#37211A Color

#37211A is rgb(55, 33, 26) in RGB, hsl(14, 36%, 16%) in HSL, and about cmyk(0%, 40%, 53%, 78%) in CMYK. It has no registered color name of its own — the closest is Bister (Bistre) (#3D2B1F), clearly related but distinguishable side by side at ΔE 5.28. White text is the more readable choice on this background.

#37211A
HEX#37211A
RGBrgb(55, 33, 26)
HSLhsl(14, 36%, 16%)
HSVhsv(14, 53%, 22%)
CMYKcmyk(0%, 40%, 53%, 78%)
OKLCHoklch(27.4% 0.037 38.4)
LABlab(15.50% 10.19 9.34)
LCHlch(15.50% 13.82 42.51)

What #37211A 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 #37211A, 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 red in the library.

#37211A Channel Values

How #37211A 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 33 · B 268-bit channels as sent to the display
HSLH 14° · S 36% · L 16%Easiest model for building lighter and darker variants
HSVH 14° · S 53% · V 22%Matches the picker in most design tools
CMYKC 0% · M 40% · Y 53% · K 78%Approximate ink mix; confirm with an ICC profile before printing
Luminance15.05:1 vs white · 1.39:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #37211A 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 text15.05:1AA normal AA large AAA normal
Fails AABlack text1.39:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #37211A in the contrast checker.

Colors That Go With #37211A

Pairings derived from color-wheel relationships. The complementary color sits opposite #37211A; 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 #37211A

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 #37211A.

How #37211A 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#37211A
Protanopia#26261A
Protanomaly#2D241A
Deuteranopia#2A2A19
Deuteranomaly#2F2619
Tritanopia#372020
Tritanomaly#37211E
Achromatopsia#262626

Test a full palette in the color blindness simulator.

Using #37211A in Code

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

CSS custom property--color-37211a: #37211A;
CSS backgroundbackground-color: #37211A;
Tailwind configcolors: { 'color-37211a': '#37211A' }
SwiftUIColor(red: 0.216, green: 0.129, blue: 0.102)
Android XML<color name="color_37211a">#37211A</color>
SVG fillfill="#37211A"

More Red Colors

#37211A sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.

#37211A Frequently Asked Questions

What color is #37211A?

#37211A is a darkest red — rgb(55, 33, 26) in RGB and hsl(14, 36%, 16%) in HSL. It carries no registered color name of its own; the closest named color is Bister (Bistre) (#3D2B1F), which is clearly related but distinguishable side by side at a CIE76 distance of 5.28.

What is the RGB value of #37211A?

#37211A is rgb(55, 33, 26) — red 55, green 33, and blue 26 on the 0-255 scale.

What is the CMYK value of #37211A?

#37211A converts to approximately cmyk(0%, 40%, 53%, 78%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #37211A be black or white?

White text is the more readable choice. #37211A scores 15.05:1 against white and 1.39:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #37211A as a CSS color keyword?

No. #37211A 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 black (#000000) at a CIE76 distance of 20.77, which is visibly different.

Open #37211A in a Tool

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