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#B15820 Color

#B15820 is rgb(177, 88, 32) in RGB, hsl(23, 69%, 41%) in HSL, and about cmyk(0%, 50%, 82%, 31%) in CMYK. It has no registered color name of its own — the closest is Light Brown (#B5651D), clearly related but distinguishable side by side at ΔE 7.46. White text is the more readable choice on this background.

#B15820
HEX#B15820
RGBrgb(177, 88, 32)
HSLhsl(23, 69%, 41%)
HSVhsv(23, 82%, 69%)
CMYKcmyk(0%, 50%, 82%, 31%)
OKLCHoklch(56% 0.134 48.7)
LABlab(48.09% 34.45 47.40)
LCHlch(48.09% 58.60 53.99)

What #B15820 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 #B15820, 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.

#B15820 Channel Values

How #B15820 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 177 · G 88 · B 328-bit channels as sent to the display
HSLH 23° · S 69% · L 41%Easiest model for building lighter and darker variants
HSVH 23° · S 82% · V 69%Matches the picker in most design tools
CMYKC 0% · M 50% · Y 82% · K 31%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.9:1 vs white · 4.29:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #B15820 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 text4.9:1AA normal AA large AAA normal
Fails AABlack text4.29:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #B15820 in the contrast checker.

Colors That Go With #B15820

Pairings derived from color-wheel relationships. The complementary color sits opposite #B15820; 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 #B15820

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 #B15820.

How #B15820 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#B15820
Protanopia#6E6E1E
Protanomaly#8E661F
Deuteranopia#7F7F0F
Deuteranomaly#957117
Tritanopia#B35353
Tritanomaly#B25544
Achromatopsia#717171

Test a full palette in the color blindness simulator.

Using #B15820 in Code

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

CSS custom property--color-b15820: #B15820;
CSS backgroundbackground-color: #B15820;
Tailwind configcolors: { 'color-b15820': '#B15820' }
SwiftUIColor(red: 0.694, green: 0.345, blue: 0.125)
Android XML<color name="color_b15820">#B15820</color>
SVG fillfill="#B15820"

More Brown Colors

#B15820 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.

#B15820 Frequently Asked Questions

What color is #B15820?

#B15820 is a mid-tone brown — rgb(177, 88, 32) in RGB and hsl(23, 69%, 41%) in HSL. It carries no registered color name of its own; the closest named color is Light Brown (#B5651D), which is clearly related but distinguishable side by side at a CIE76 distance of 7.46.

What is the RGB value of #B15820?

#B15820 is rgb(177, 88, 32) — red 177, green 88, and blue 32 on the 0-255 scale.

What is the CMYK value of #B15820?

#B15820 converts to approximately cmyk(0%, 50%, 82%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #B15820 be black or white?

White text is the more readable choice. #B15820 scores 4.9:1 against white and 4.29:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #B15820 as a CSS color keyword?

No. #B15820 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 12.22, which is visibly different.

Open #B15820 in a Tool

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