HEX atlas value

#A7631B

#A7631B is a warm orange HEX color close to Sienna. According to Colors Encyclopedia, it converts to RGB 167, 99, 27, HSL 31, 72%, 38%, has luminance 0.1722, and belongs to the vibrant group.

orange warm vibrant

#A7631B Sample readable text

HEX #A7631B

RGB rgb(167, 99, 27)

HSL hsl(31 72% 38%)

CMYK cmyk(0, 41, 84, 35)

Luminance 0.1722

Contrast Black 4.44:1White 4.73:1

CSS

--color-a7631b: #A7631B;
.background-a7631b { background-color: #A7631B; }
.text-a7631b { color: #A7631B; }

Luminance0.1722

Black text4.44:1AA Fail

White text4.73:1AA Pass

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{"hex":"#A7631B","rgb":[167,99,27],"hsl":[31,72,38],"cmyk":[0,41,84,35],"luminance":0.1722,"contrast":{"black":4.44,"white":4.73}}

WCAG

{"AA":["#FFFFFF"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.44,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.73,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#58340E","hex":"#58340E","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.91,"contrastWhite":10.98,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#E0913E","hex":"#E0913E","family":"orange","bestTextColor":"#000000","contrastBlack":8.29,"contrastWhite":2.53,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#A4A71B","hex":"#A4A71B","family":"yellow","bestTextColor":"#000000","contrastBlack":8.12,"contrastWhite":2.59,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#A71D1B","hex":"#A71D1B","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.83,"contrastWhite":7.41,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#1B5FA7","hex":"#1B5FA7","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":3.24,"contrastWhite":6.48,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm orange","vibrant","vibrant orange","Sienna adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a7631b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/sienna.json","https://www.colorsencyclopedia.com/api/colors/cedar.json","https://www.colorsencyclopedia.com/api/colors/copper.json"]}

Harmonies

{"complementary":"#1B5FA7","analogous":["#A71D1B","#A4A71B"],"triadic":["#1BA763","#631BA7"],"tetradic":["#1BA71D","#1B5FA7","#A71BA4"],"splitComplementary":["#1BA4A7","#1D1BA7"],"monochromatic":["#E0913E","#A7631B","#58340E"]}

Variants

{"light":"#E0913E","dark":"#58340E","saturated":"#BC6406","desaturated":"#916330","pastel":"#D6A26B","neon":"#EB7900"}

Nearest named colors

[{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":25.729360660537214},{"slug":"cedar","name":"Cedar","hex":"#8B5A2B","distance":33.481338085566414},{"slug":"copper","name":"Copper","hex":"#B87333","distance":33.481338085566414},{"slug":"polished-copper","name":"Polished Copper","hex":"#B87333","distance":33.481338085566414},{"slug":"red-clay","name":"Red Clay","hex":"#B45A3C","distance":36.59234892706397}]

HEX meaning and use

About #A7631B

#A7631B is classified as a warm orange value with vibrant visual character. #A7631B is visually closest to Sienna, a named orange color with HEX #A0522D.

The RGB channels are 167, 99, and 27, with red carrying the strongest channel weight. In HSL, the hue is 31deg with 72% saturation and 38% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and high-energy accents. Its luminance is 0.1722, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 25.73, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.44:1AA Fail

White text4.73:1AA Pass

AA text options: #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A7631B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.44:1 · Fail

White text#FFFFFF4.73:1 · AA

Accessible Alternatives

#58340E#FFFFFF text · best 10.98:1#58340E

#E0913E#000000 text · best 8.29:1#E0913E

#A4A71B#000000 text · best 8.12:1#A4A71B

#A71D1B#FFFFFF text · best 7.41:1#A71D1B

#1B5FA7#FFFFFF text · best 6.48:1#1B5FA7

Generated Palette

#A7631B#A7631B

#1B5FA7#1B5FA7

#A71D1B#A71D1B

#A4A71B#A4A71B

#E0913E#E0913E

#58340E#58340E

Color Harmonies

#1B5FA7#1B5FA7

#A71D1B#A71D1B

#A4A71B#A4A71B

#1BA763#1BA763

#631BA7#631BA7

Variants

#E0913E#E0913E

#58340E#58340E

#BC6406#BC6406

#916330#916330

#D6A26B#D6A26B

#EB7900#EB7900

Nearest Named Colors

Sienna#A0522D

Cedar#8B5A2B

Copper#B87333

Polished Copper#B87333

Red Clay#B45A3C

#A7631B

CSS

Machine-Readable HEX Data (JSON)

About #A7631B

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides