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#A3581F Color

#A3581F is rgb(163, 88, 31) in RGB, hsl(26, 68%, 38%) in HSL, and about cmyk(0%, 46%, 81%, 36%) in CMYK. It has no registered color name of its own — the closest is Saddle Brown (#8B4513), clearly related but distinguishable side by side at ΔE 8.73. White text is the more readable choice on this background.

#A3581F
HEX#A3581F
RGBrgb(163, 88, 31)
HSLhsl(26, 68%, 38%)
HSVhsv(26, 81%, 64%)
CMYKcmyk(0%, 46%, 81%, 36%)
OKLCHoklch(54% 0.12 53.4)
LABlab(45.94% 28.60 44.99)
LCHlch(45.94% 53.31 57.56)

What #A3581F Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #A3581F, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Saddle Brown#8B4513ΔE 8.73Light Brown#B5651DΔE 8.75Liver (Dogs)#B86D29ΔE 8.99Sienna#A0522DΔE 9.1Windsor Tan#A75502ΔE 9.8Copper#B87333ΔE 10.41

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

#A3581F Channel Values

How #A3581F breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 163 · G 88 · B 318-bit channels as sent to the display
HSLH 26° · S 68% · L 38%Easiest model for building lighter and darker variants
HSVH 26° · S 81% · V 64%Matches the picker in most design tools
CMYKC 0% · M 46% · Y 81% · K 36%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.29:1 vs white · 3.97:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #A3581F 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 text5.29:1AA normal AA large AAA normal
Fails AABlack text3.97:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #A3581F in the contrast checker.

Colors That Go With #A3581F

Pairings derived from color-wheel relationships. The complementary color sits opposite #A3581F; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#A3581F
Complementary
#1F6AA3
Analogous
#A31F28
Analogous
#A39A1F
Triadic
#1FA358
Triadic
#581FA3
Split comp.
#1FA39A
Split comp.
#1F28A3

Tints & Shades of #A3581F

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

#C96D26
#DA823E
#E29B65
#E8B187
#EFCAAE
#F6E0D0

Shades

#8D4D1B
#784117
#633513
#512C10
#3C200B
#271507

Want a full 50-950 ramp with semantic roles? Generate design tokens from #A3581F.

How #A3581F 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#A3581F
Protanopia#6A6A1D
Protanomaly#84631E
Deuteranopia#787812
Deuteranomaly#8B6C18
Tritanopia#A55353
Tritanomaly#A45544
Achromatopsia#6C6C6C

Test a full palette in the color blindness simulator.

Using #A3581F in Code

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

CSS custom property--color-a3581f: #A3581F;
CSS backgroundbackground-color: #A3581F;
Tailwind configcolors: { 'color-a3581f': '#A3581F' }
SwiftUIColor(red: 0.639, green: 0.345, blue: 0.122)
Android XML<color name="color_a3581f">#A3581F</color>
SVG fillfill="#A3581F"

More Brown Colors

#A3581F sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.

100c08e171001b0d04e155011c1917e05e001f0800e040001f1400db8f00241205db790034240e4619015036075c3f196935077a21008252218b6f47993300a8732ebd3000cc3300

#A3581F Frequently Asked Questions

What color is #A3581F?

#A3581F is a dark brown — rgb(163, 88, 31) in RGB and hsl(26, 68%, 38%) in HSL. It carries no registered color name of its own; the closest named color is Saddle Brown (#8B4513), which is clearly related but distinguishable side by side at a CIE76 distance of 8.73.

What is the RGB value of #A3581F?

#A3581F is rgb(163, 88, 31) — red 163, green 88, and blue 31 on the 0-255 scale.

What is the CMYK value of #A3581F?

#A3581F converts to approximately cmyk(0%, 46%, 81%, 36%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A3581F be black or white?

White text is the more readable choice. #A3581F scores 5.29:1 against white and 3.97:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A3581F as a CSS color keyword?

No. #A3581F 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 saddlebrown (#8B4513) at a CIE76 distance of 8.73, which is clearly related but distinguishable side by side.

Open #A3581F in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

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