#331405 Color
#331405 is rgb(51, 20, 5) in RGB, hsl(20, 82%, 11%) in HSL, and about cmyk(0%, 61%, 90%, 80%) in CMYK. It has no registered color name of its own — the closest is Zinnwaldite Brown (#2C1608), clearly related but distinguishable side by side at ΔE 5.38. White text is the more readable choice on this background.
#331405rgb(51, 20, 5)hsl(20, 82%, 11%)hsv(20, 90%, 20%)cmyk(0%, 61%, 90%, 80%)oklch(23.5% 0.056 45.4)lab(10.90% 15.06 14.60)lch(10.90% 20.97 44.11)What #331405 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 #331405, 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.
#331405 Channel Values
How #331405 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 51 · G 20 · B 5 | 8-bit channels as sent to the display |
| HSL | H 20° · S 82% · L 11% | Easiest model for building lighter and darker variants |
| HSV | H 20° · S 90% · V 20% | Matches the picker in most design tools |
| CMYK | C 0% · M 61% · Y 90% · K 80% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 16.89:1 vs white · 1.24:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #331405 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 #331405 in the contrast checker.
Colors That Go With #331405
Pairings derived from color-wheel relationships. The complementary color sits opposite #331405; 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 #331405
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 #331405.
How #331405 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.
#331405#1C1C05#271905#222203#291D04#341313#33130E#1D1D1DUsing #331405 in Code
Copy-ready declarations for the places this color usually ends up.
--color-331405: #331405;background-color: #331405;colors: { 'color-331405': '#331405' }Color(red: 0.200, green: 0.078, blue: 0.020)<color name="color_331405">#331405</color>fill="#331405"More Brown Colors
#331405 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#331405 Frequently Asked Questions
What color is #331405?
#331405 is a darkest brown — rgb(51, 20, 5) in RGB and hsl(20, 82%, 11%) in HSL. It carries no registered color name of its own; the closest named color is Zinnwaldite Brown (#2C1608), which is clearly related but distinguishable side by side at a CIE76 distance of 5.38.
What is the RGB value of #331405?
#331405 is rgb(51, 20, 5) — red 51, green 20, and blue 5 on the 0-255 scale.
What is the CMYK value of #331405?
#331405 converts to approximately cmyk(0%, 61%, 90%, 80%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #331405 be black or white?
White text is the more readable choice. #331405 scores 16.89:1 against white and 1.24:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #331405 as a CSS color keyword?
No. #331405 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 23.64, which is visibly different.
Open #331405 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.