Sienna (CSS)

Sienna (CSS) is a dark, moderately saturated red-orange color with the hex code #A0522D (hue 19°, saturation 56%, lightness 40%). It is also the CSS named color sienna.

#A0522D

	Name	HEX	RGB	HSL	CMYK	OKLCH
	Sienna (CSS)	`#A0522D`	160, 82, 45	19°, 56%, 40%	0, 49, 72, 37	52.6% 0.115 45

Contrast with white text 5.62:1, with black text 3.74:1 — use white text on Sienna (CSS).

sienna is one of the 148 named colors in CSS, with exactly this value, so color: sienna works in any browser without a hex code.

Huebook · Maintained by Iris Marlow (pen name) · automated checks · Data: color-name-list (MIT) for names; CSS Color Module Level 4 (W3C) for CSS named colors · Updated Oct 19, 2026 · How the checks work

Tints and shades

#F4E0D7

#E3B39B

#D28560

#B35C32

#773D22

#3C1F11

Colors that go with Sienna (CSS)

Six color schemes built on Sienna (CSS) with classic harmony rules. The complementary scheme pairs it with Prominent Blue (#2B7DA6), the color opposite it on the color wheel.

Nearest CSS named colors

Saddle Brown (saddlebrown): Saddle Brown (#8B4513) is darker than Sienna (CSS) (relative luminance 0.098 vs 0.137) and more saturated, with its hue 6° away.
Brown (CSS) (brown): Brown (CSS) (#A52A2A) is darker than Sienna (CSS) (relative luminance 0.098 vs 0.137) and equally saturated, with its hue 19° away.
Fire Brick (firebrick): Fire Brick (#B22222) is darker than Sienna (CSS) (relative luminance 0.107 vs 0.137) and more saturated, with its hue 19° away.
Indian Red (CSS) (indianred): Indian Red (CSS) (#CD5C5C) is lighter than Sienna (CSS) (relative luminance 0.214 vs 0.137) and equally saturated, with its hue 19° away.

Gradients with Sienna (CSS)

Warrior Queen to Sienna (CSS)

Similar medium orange colors

Questions

What is the hex code for Sienna (CSS)?

#A0522D — RGB 160, 82, 45, HSL 19°, 56%, 40%.

Is Sienna (CSS) a warm or cool color?

Warm — its hue sits at 19° on the color wheel.