#523B33 Color
#523B33 is rgb(82, 59, 51) in RGB, hsl(15, 23%, 26%) in HSL, and about cmyk(0%, 28%, 38%, 68%) in CMYK. It has no registered color name of its own — the closest is Royal Brown (#523B35), below the threshold most people can see at ΔE 1.26. White text is the more readable choice on this background.
#523B33rgb(82, 59, 51)hsl(15, 23%, 26%)hsv(15, 38%, 32%)cmyk(0%, 28%, 38%, 68%)oklch(37.6% 0.035 40)lab(27.33% 9.54 9.16)lch(27.33% 13.22 43.82)What #523B33 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 #523B33, 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.
#523B33 Channel Values
How #523B33 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 82 · G 59 · B 51 | 8-bit channels as sent to the display |
| HSL | H 15° · S 23% · L 26% | Easiest model for building lighter and darker variants |
| HSV | H 15° · S 38% · V 32% | Matches the picker in most design tools |
| CMYK | C 0% · M 28% · Y 38% · K 68% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.33:1 vs white · 2.03:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #523B33 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.
Need a specific ratio against another background? Open #523B33 in the contrast checker.
Colors That Go With #523B33
Pairings derived from color-wheel relationships. The complementary color sits opposite #523B33; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #523B33
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #523B33.
How #523B33 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.
#523B33#404033#483E33#444432#4A4032#533A3A#523A37#404040Using #523B33 in Code
Copy-ready declarations for the places this color usually ends up.
--color-523b33: #523B33;background-color: #523B33;colors: { 'color-523b33': '#523B33' }Color(red: 0.322, green: 0.231, blue: 0.200)<color name="color_523b33">#523B33</color>fill="#523B33"More Brown Colors
#523B33 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#523B33 Frequently Asked Questions
What color is #523B33?
#523B33 is a dark brown — rgb(82, 59, 51) in RGB and hsl(15, 23%, 26%) in HSL. It carries no registered color name of its own; the closest named color is Royal Brown (#523B35), which is below the threshold most people can see at a CIE76 distance of 1.26.
What is the RGB value of #523B33?
#523B33 is rgb(82, 59, 51) — red 82, green 59, and blue 51 on the 0-255 scale.
What is the CMYK value of #523B33?
#523B33 converts to approximately cmyk(0%, 28%, 38%, 68%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #523B33 be black or white?
White text is the more readable choice. #523B33 scores 10.33:1 against white and 2.03:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #523B33 as a CSS color keyword?
No. #523B33 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 21.6, which is visibly different.
Open #523B33 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.