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#543721 Color

#543721 is rgb(84, 55, 33) in RGB, hsl(26, 44%, 23%) in HSL, and about cmyk(0%, 35%, 61%, 67%) in CMYK. It has no registered color name of its own — the closest is Brown (CMY) (#4B3621), very hard to tell apart at ΔE 4.66. White text is the more readable choice on this background.

#543721
HEX#543721
RGBrgb(84, 55, 33)
HSLhsl(26, 44%, 23%)
HSVhsv(26, 61%, 33%)
CMYKcmyk(0%, 35%, 61%, 67%)
OKLCHoklch(36.5% 0.054 57.3)
LABlab(26.17% 11.35 19.19)
LCHlch(26.17% 22.30 59.40)

What #543721 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 #543721, 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 brown in the library.

#543721 Channel Values

How #543721 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 84 · G 55 · B 338-bit channels as sent to the display
HSLH 26° · S 44% · L 23%Easiest model for building lighter and darker variants
HSVH 26° · S 61% · V 33%Matches the picker in most design tools
CMYKC 0% · M 35% · Y 61% · K 67%Approximate ink mix; confirm with an ICC profile before printing
Luminance10.79:1 vs white · 1.95:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #543721 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 text10.79:1AA normal AA large AAA normal
Fails AABlack text1.95:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #543721 in the contrast checker.

Colors That Go With #543721

Pairings derived from color-wheel relationships. The complementary color sits opposite #543721; 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 #543721

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 #543721.

How #543721 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#543721
Protanopia#3D3D21
Protanomaly#473B21
Deuteranopia#42421F
Deuteranomaly#4A3E20
Tritanopia#553535
Tritanomaly#55362E
Achromatopsia#3D3D3D

Test a full palette in the color blindness simulator.

Using #543721 in Code

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

CSS custom property--color-543721: #543721;
CSS backgroundbackground-color: #543721;
Tailwind configcolors: { 'color-543721': '#543721' }
SwiftUIColor(red: 0.329, green: 0.216, blue: 0.129)
Android XML<color name="color_543721">#543721</color>
SVG fillfill="#543721"

More Brown Colors

#543721 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.

#543721 Frequently Asked Questions

What color is #543721?

#543721 is a dark brown — rgb(84, 55, 33) in RGB and hsl(26, 44%, 23%) in HSL. It carries no registered color name of its own; the closest named color is Brown (CMY) (#4B3621), which is very hard to tell apart at a CIE76 distance of 4.66.

What is the RGB value of #543721?

#543721 is rgb(84, 55, 33) — red 84, green 55, and blue 33 on the 0-255 scale.

What is the CMYK value of #543721?

#543721 converts to approximately cmyk(0%, 35%, 61%, 67%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #543721 be black or white?

White text is the more readable choice. #543721 scores 10.79:1 against white and 1.95:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #543721 as a CSS color keyword?

No. #543721 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 dimgray (#696969) at a CIE76 distance of 28.81, which is a different colour altogether.

Open #543721 in a Tool

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