#B15B2F Color
#B15B2F is rgb(177, 91, 47) in RGB, hsl(20, 58%, 44%) in HSL, and about cmyk(0%, 49%, 73%, 31%) in CMYK. It has no registered color name of its own — the closest is Sienna (#A0522D), clearly related but distinguishable side by side at ΔE 6.95. White text is the more readable choice on this background.
#B15B2Frgb(177, 91, 47)hsl(20, 58%, 44%)hsv(20, 73%, 69%)cmyk(0%, 49%, 73%, 31%)oklch(56.6% 0.126 45.8)lab(48.83% 33.36 40.99)lch(48.83% 52.85 50.86)What #B15B2F 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 #B15B2F, 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.
#B15B2F Channel Values
How #B15B2F 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 177 · G 91 · B 47 | 8-bit channels as sent to the display |
| HSL | H 20° · S 58% · L 44% | Easiest model for building lighter and darker variants |
| HSV | H 20° · S 73% · V 69% | Matches the picker in most design tools |
| CMYK | C 0% · M 49% · Y 73% · K 31% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.77:1 vs white · 4.41:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #B15B2F 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 #B15B2F in the contrast checker.
Colors That Go With #B15B2F
Pairings derived from color-wheel relationships. The complementary color sits opposite #B15B2F; 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 #B15B2F
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 #B15B2F.
How #B15B2F 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.
#B15B2F#70702E#8F682E#808026#96732A#B35757#B2594A#737373Using #B15B2F in Code
Copy-ready declarations for the places this color usually ends up.
--color-b15b2f: #B15B2F;background-color: #B15B2F;colors: { 'color-b15b2f': '#B15B2F' }Color(red: 0.694, green: 0.357, blue: 0.184)<color name="color_b15b2f">#B15B2F</color>fill="#B15B2F"More Brown Colors
#B15B2F sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#B15B2F Frequently Asked Questions
What color is #B15B2F?
#B15B2F is a mid-tone brown — rgb(177, 91, 47) in RGB and hsl(20, 58%, 44%) in HSL. It carries no registered color name of its own; the closest named color is Sienna (#A0522D), which is clearly related but distinguishable side by side at a CIE76 distance of 6.95.
What is the RGB value of #B15B2F?
#B15B2F is rgb(177, 91, 47) — red 177, green 91, and blue 47 on the 0-255 scale.
What is the CMYK value of #B15B2F?
#B15B2F converts to approximately cmyk(0%, 49%, 73%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #B15B2F be black or white?
White text is the more readable choice. #B15B2F scores 4.77:1 against white and 4.41:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #B15B2F as a CSS color keyword?
No. #B15B2F 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 sienna (#A0522D) at a CIE76 distance of 6.95, which is clearly related but distinguishable side by side.
Open #B15B2F in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.