BROWN

Bistre

#3D2B1F

Conversions

HEX#3D2B1F

RGBrgb(61, 43, 31)

HSLhsl(24, 33%, 18%)

HSVhsv(24, 49%, 24%)

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

Copy CSS

color: #3d2b1f;
/* rgb  */ color: rgb(61, 43, 31);
/* hsl  */ color: hsl(24, 33%, 18%);

Contrast

On whitePass · 13.43 : 1

On ink blackFail · 1.42 : 1

Shades

Tints

Pairings

About Bistre

Bistre is the hex color #3D2B1F, which translates to rgb(61, 43, 31) in RGB and hsl(24, 33%, 18%) in HSL. On the color wheel it sits at 24 degrees, with a saturation of 33 percent and a lightness of 18 percent. That is deep enough that Bistre reads almost as an ink: it carries detail poorly but anchors a layout well.

How Bistre compares

The closest standard CSS keyword is black (#000000), a CIE76 distance of 23.2 away in CIELAB. That is a visible difference, so the keyword is not a substitute here. In the Tailwind CSS 4.3.1 palette the nearest token is olive-800 (#2B2B22), at a distance of 10.1. Inside this library the closest neighbour is Taupe at 8.2. Sorted by lightness, Bistre is number 1 of the 27 brown colors here.

Text on Bistre

2 of the five common text colors below clear WCAG AA for normal text on Bistre, led by White at 13.43:1. The ratios are computed with the WCAG relative luminance formula, the same one the contrast checker uses, which opens with Bistre already loaded as the background.

Contrast of common text colors on Bistre. AA normal text needs 4.5:1, AA large text and non-text elements need 3:1, AAA normal text needs 7:1.
Text color	Ratio	AA normal	AA large	AAA normal
White #FFFFFF	13.43:1	Pass	Pass	Pass
Ink black #0F0F12	1.42:1	Fail	Fail	Fail
Mid grey #6B7280	2.78:1	Fail	Fail	Fail
Dark grey #374151	1.30:1	Fail	Fail	Fail
Light grey #E5E7EB	10.85:1	Pass	Pass	Pass

Building a palette around Bistre

The pairings above give you three classic starting points. The complementary color sits opposite on the wheel and works well as an accent that draws the eye. The analogous colors sit right beside Bistre for calmer, harmonious combinations. The triadic pair spaces three hues evenly for a balanced, energetic palette. Open any swatch to explore it as its own color.

Full values for Bistre

Format	Value
HEX	#3D2B1F
RGB	rgb(61, 43, 31)
HSL	hsl(24, 33%, 18%)
HSV	hsv(24, 49%, 24%)
CMYK	cmyk(0%, 30%, 49%, 76%)
OKLCH	oklch(30.68% 0.0337 54.78)
CIELAB	lab(19.30 6.47 11.08)

Use Bistre in a tool

Nearby colors

Last updated 5 August 2026 by FusionStudios. Every value on this page is computed by the same functions the tools use. How this is calculated.