BROWN

Copper

#B87333

Conversions

HEX#B87333

RGBrgb(184, 115, 51)

HSLhsl(29, 57%, 46%)

HSVhsv(29, 72%, 72%)

CMYKcmyk(0%, 38%, 72%, 28%)

Copy CSS

color: #b87333;
/* rgb  */ color: rgb(184, 115, 51);
/* hsl  */ color: hsl(29, 57%, 46%);

Contrast

On whiteFail · 3.79 : 1

On ink blackPass · 5.05 : 1

Shades

Tints

Pairings

About Copper

Copper is the hex color #B87333, which translates to rgb(184, 115, 51) in RGB and hsl(29, 57%, 46%) in HSL. On the color wheel it sits at 29 degrees, with a saturation of 57 percent and a lightness of 46 percent. That combination puts Copper in the workable middle of the brown family, neither pastel nor fully saturated.

How Copper compares

The closest standard CSS keyword is peru (#CD853F), a CIE76 distance of 7.4 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 yellow-700 (#A65F00), at a distance of 12.7. Inside this library the closest neighbour is Peru at 7.4. Sorted by lightness, Copper is number 17 of the 27 brown colors here.

Text on Copper

One of the five common text colors below clears WCAG AA for normal text on Copper, led by Ink black at 5.05:1. The ratios are computed with the WCAG relative luminance formula, the same one the contrast checker uses, which opens with Copper already loaded as the background.

Contrast of common text colors on Copper. 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	3.79:1	Fail	Pass	Fail
Ink black #0F0F12	5.05:1	Pass	Pass	Fail
Mid grey #6B7280	1.27:1	Fail	Fail	Fail
Dark grey #374151	2.72:1	Fail	Fail	Fail
Light grey #E5E7EB	3.06:1	Fail	Pass	Fail

Building a palette around Copper

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 Copper 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 Copper

Format	Value
HEX	#B87333
RGB	rgb(184, 115, 51)
HSL	hsl(29, 57%, 46%)
HSV	hsv(29, 72%, 72%)
CMYK	cmyk(0%, 38%, 72%, 28%)
OKLCH	oklch(61.80% 0.1171 60.40)
CIELAB	lab(54.76 21.65 45.40)

Use Copper 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.