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#A33600 Color

#A33600 is rgb(163, 54, 0) in RGB, hsl(20, 100%, 32%) in HSL, and about cmyk(0%, 67%, 100%, 36%) in CMYK. It has no registered color name of its own — the closest is Metallic Brown (#AC4313), clearly related but distinguishable side by side at ΔE 5.36. White text is the more readable choice on this background.

#A33600
HEX#A33600
RGBrgb(163, 54, 0)
HSLhsl(20, 100%, 32%)
HSVhsv(20, 100%, 64%)
CMYKcmyk(0%, 67%, 100%, 36%)
OKLCHoklch(48.7% 0.153 39.9)
LABlab(39.23% 44.44 51.40)
LCHlch(39.23% 67.95 49.16)

What #A33600 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 #A33600, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

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

#A33600 Channel Values

How #A33600 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 54 · B 08-bit channels as sent to the display
HSLH 20° · S 100% · L 32%Easiest model for building lighter and darker variants
HSVH 20° · S 100% · V 64%Matches the picker in most design tools
CMYKC 0% · M 67% · Y 100% · K 36%Approximate ink mix; confirm with an ICC profile before printing
Luminance6.81:1 vs white · 3.08:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #A33600 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 text6.81:1AA normal AA large AAA normal
Fails AABlack text3.08:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #A33600 in the contrast checker.

Colors That Go With #A33600

Pairings derived from color-wheel relationships. The complementary color sits opposite #A33600; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #A33600

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #A33600.

How #A33600 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#A33600
Protanopia#565600
Protanomaly#7C4B00
Deuteranopia#6B6B00
Deuteranomaly#855A00
Tritanopia#A43232
Tritanomaly#A43426
Achromatopsia#5B5B5B

Test a full palette in the color blindness simulator.

Using #A33600 in Code

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

CSS custom property--color-a33600: #A33600;
CSS backgroundbackground-color: #A33600;
Tailwind configcolors: { 'color-a33600': '#A33600' }
SwiftUIColor(red: 0.639, green: 0.212, blue: 0.000)
Android XML<color name="color_a33600">#A33600</color>
SVG fillfill="#A33600"

More Brown Colors

#A33600 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.

#A33600 Frequently Asked Questions

What color is #A33600?

#A33600 is a dark brown — rgb(163, 54, 0) in RGB and hsl(20, 100%, 32%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Brown (#AC4313), which is clearly related but distinguishable side by side at a CIE76 distance of 5.36.

What is the RGB value of #A33600?

#A33600 is rgb(163, 54, 0) — red 163, green 54, and blue 0 on the 0-255 scale.

What is the CMYK value of #A33600?

#A33600 converts to approximately cmyk(0%, 67%, 100%, 36%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A33600 be black or white?

White text is the more readable choice. #A33600 scores 6.81:1 against white and 3.08:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A33600 as a CSS color keyword?

No. #A33600 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 darkred (#8B0000) at a CIE76 distance of 15.26, which is visibly different.

Open #A33600 in a Tool

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