BROWN

Sienna

#A0522D

Conversions

HEX#A0522D

RGBrgb(160, 82, 45)

HSLhsl(19, 56%, 40%)

HSVhsv(19, 72%, 63%)

CMYKcmyk(0%, 49%, 72%, 37%)

Copy CSS

color: #a0522d;
/* rgb  */ color: rgb(160, 82, 45);
/* hsl  */ color: hsl(19, 56%, 40%);

Contrast

On whitePass · 5.62 : 1

On ink blackFail · 3.41 : 1

Shades

Tints

Pairings

About Sienna

Sienna is the hex color #A0522D, which translates to rgb(160, 82, 45) in RGB and hsl(19, 56%, 40%) in HSL. On the color wheel it sits at 19 degrees, with a saturation of 56 percent and a lightness of 40 percent. That combination puts Sienna in the workable middle of the brown family, neither pastel nor fully saturated.

How Sienna compares

Sienna is exactly the CSS keyword sienna, so you can write the keyword instead of the hex and get an identical result. In the Tailwind CSS 4.3.1 palette the nearest token is amber-900 (#7B3306), at a distance of 13.5. Inside this library the closest neighbour is Saddle Brown at 8.8. Sorted by lightness, Sienna is number 14 of the 27 brown colors here.

Text on Sienna

2 of the five common text colors below clear WCAG AA for normal text on Sienna, led by White at 5.62:1. The ratios are computed with the WCAG relative luminance formula, the same one the contrast checker uses, which opens with Sienna already loaded as the background.

Contrast of common text colors on Sienna. 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	5.62:1	Pass	Pass	Fail
Ink black #0F0F12	3.41:1	Fail	Pass	Fail
Mid grey #6B7280	1.16:1	Fail	Fail	Fail
Dark grey #374151	1.84:1	Fail	Fail	Fail
Light grey #E5E7EB	4.54:1	Pass	Pass	Fail

Building a palette around Sienna

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 Sienna 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 Sienna

Format	Value
HEX	#A0522D
RGB	rgb(160, 82, 45)
HSL	hsl(19, 56%, 40%)
HSV	hsv(19, 72%, 63%)
CMYK	cmyk(0%, 49%, 72%, 37%)
OKLCH	oklch(52.65% 0.1151 44.60)
CIELAB	lab(43.80 29.32 35.64)

Use Sienna 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.