Bister (Bistre) (#3D2B1F)

The hex code for Bister (Bistre) is #3D2B1F. It is rgb(61, 43, 31) in RGB, hsl(24, 33%, 18%) in HSL, and about cmyk(0%, 30%, 49%, 76%) in CMYK — a darkest brown. White text is the more readable choice on this background.

#3D2B1F

HEX#3D2B1F

RGBrgb(61, 43, 31)

HSLhsl(24, 33%, 18%)

HSVhsv(24, 49%, 24%)

CMYKcmyk(0%, 30%, 49%, 76%)

OKLCHoklch(30.7% 0.034 54.8)

LABlab(19.45% 7.24 11.26)

LCHlch(19.45% 13.39 57.25)

Colors Closest to Bister (Bistre)

Bister (Bistre) 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.

Old Burgundy#43302EΔE 7.07 Dark Olive#3C341FΔE 7.56 Brown (CMY)#4B3621ΔE 7.75 Dark Lava#483C32ΔE 8.19 Royal Brown#523B35ΔE 8.97 Espresso#3B2F2FΔE 9.33

Browse the full index of named colors A-Z or every brown in the library.

#3D2B1F Channel Values

How Bister (Bistre) 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 61 · G 43 · B 31	8-bit channels as sent to the display
HSL	H 24° · S 33% · L 18%	Easiest model for building lighter and darker variants
HSV	H 24° · S 49% · V 24%	Matches the picker in most design tools
CMYK	C 0% · M 30% · Y 49% · K 76%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	13.43:1 vs white · 1.56:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Bister (Bistre) 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 text13.43:1AA normal AA large AAA normal

Fails AABlack text1.56:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #3D2B1F in the contrast checker.

Colors That Go With Bister (Bistre)

Pairings derived from color-wheel relationships. The complementary color sits opposite Bister (Bistre); 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 Bister (Bistre)

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 #3D2B1F.

How Bister (Bistre) 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#3D2B1F

Protanopia#2F2F1F

Protanomaly#352D1F

Deuteranopia#32321E

Deuteranomaly#372F1E

Tritanopia#3E2A2A

Tritanomaly#3E2A26

Achromatopsia#2F2F2F

Test a full palette in the color blindness simulator.

Using #3D2B1F in Code

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

CSS custom property--bister-bistre: #3D2B1F;

CSS backgroundbackground-color: #3D2B1F;

Tailwind configcolors: { 'bister-bistre': '#3D2B1F' }

SwiftUIColor(red: 0.239, green: 0.169, blue: 0.122)

Android XML<color name="bister_bistre">#3D2B1F</color>

SVG fillfill="#3D2B1F"

More Brown Colors

Bister (Bistre) sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.

3e1f04 3b3024 3f1f09 391509 421200 382400 432004 381f00 442f09 381c10 461901 380f00 492d09 571700 65401a 704900 80461b 8a4000 945b00 9e6329 b76e24 c73500 d67600 1f1400

#3D2B1F Frequently Asked Questions

What is the hex code for Bister (Bistre)?

The hex code for Bister (Bistre) is #3D2B1F. That is rgb(61, 43, 31) in RGB, hsl(24, 33%, 18%) in HSL, and approximately cmyk(0%, 30%, 49%, 76%) in CMYK.

What is the RGB value of #3D2B1F?

#3D2B1F is rgb(61, 43, 31) — red 61, green 43, and blue 31 on the 0-255 scale.

What is the CMYK value of #3D2B1F?

#3D2B1F converts to approximately cmyk(0%, 30%, 49%, 76%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #3D2B1F be black or white?

White text is the more readable choice. #3D2B1F scores 13.43:1 against white and 1.56:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #3D2B1F as a CSS color keyword?

No. #3D2B1F 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 23.61, which is visibly different.

Open Bister (Bistre) in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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