Sienna (#A0522D)
The hex code for Sienna is #A0522D. It is rgb(160, 82, 45) in RGB, hsl(19, 56%, 40%) in HSL, and about cmyk(0%, 49%, 72%, 37%) in CMYK — a mid-tone brown. White text is the more readable choice on this background.
#A0522Drgb(160, 82, 45)hsl(19, 56%, 40%)hsv(19, 72%, 63%)cmyk(0%, 49%, 72%, 37%)oklch(52.6% 0.115 44.6)lab(44.27% 30.91 36.35)lch(44.27% 47.71 49.62)Colors Closest to Sienna
Sienna is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.
Browse the full index of named colors A-Z or every brown in the library.
#A0522D Channel Values
How Sienna 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 160 · G 82 · B 45 | 8-bit channels as sent to the display |
| HSL | H 19° · S 56% · L 40% | Easiest model for building lighter and darker variants |
| HSV | H 19° · S 72% · V 63% | Matches the picker in most design tools |
| CMYK | C 0% · M 49% · Y 72% · K 37% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.62:1 vs white · 3.74:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a Sienna 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 #A0522D in the contrast checker.
Colors That Go With Sienna
Pairings derived from color-wheel relationships. The complementary color sits opposite Sienna; 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 Sienna
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 #A0522D.
How Sienna 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.
#A0522D#65652C#815E2C#737325#886829#A24E4E#A15043#676767Using #A0522D in Code
Copy-ready declarations for the places this color usually ends up.
--sienna: #A0522D;background-color: #A0522D;colors: { 'sienna': '#A0522D' }Color(red: 0.627, green: 0.322, blue: 0.176)<color name="sienna">#A0522D</color>fill="#A0522D"More Brown Colors
Sienna sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#A0522D Frequently Asked Questions
What is the hex code for Sienna?
The hex code for Sienna is #A0522D. That is rgb(160, 82, 45) in RGB, hsl(19, 56%, 40%) in HSL, and approximately cmyk(0%, 49%, 72%, 37%) in CMYK.
What is the RGB value of #A0522D?
#A0522D is rgb(160, 82, 45) — red 160, green 82, and blue 45 on the 0-255 scale.
What is the CMYK value of #A0522D?
#A0522D converts to approximately cmyk(0%, 49%, 72%, 37%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #A0522D be black or white?
White text is the more readable choice. #A0522D scores 5.62:1 against white and 3.74:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Is Sienna a CSS named color?
Yes. Sienna is one of the CSS named colors, so you can write color: sienna instead of the hex code.
Open Sienna in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.