Colors Encyclopedia

HEX atlas value

#B55136

#B55136 is a warm red HEX color close to Red Clay. According to Colors Encyclopedia, it converts to RGB 181, 81, 54, HSL 13, 54%, 46%, has luminance 0.1597, and belongs to the balanced group.

redwarmbalanced
#B55136 Sample readable text
HEX #B55136
RGB rgb(181, 81, 54)
HSL hsl(13 54% 46%)
CMYK cmyk(0, 55, 70, 29)
Luminance 0.1597
Contrast Black 4.19:1White 5.01:1

CSS

--color-b55136: #B55136;
.background-b55136 { background-color: #B55136; }
.text-b55136 { color: #B55136; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.1597
Black text4.19:1AA Fail
White text5.01:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#B55136","rgb":[181,81,54],"hsl":[13,54,46],"cmyk":[0,55,70,29],"luminance":0.1597,"contrast":{"black":4.19,"white":5.01}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.19,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.01,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#6E3221","hex":"#6E3221","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.14,"contrastWhite":9.8,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#D58772","hex":"#D58772","family":"red","bestTextColor":"#000000","contrastBlack":7.54,"contrastWhite":2.79,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#B59136","hex":"#B59136","family":"orange","bestTextColor":"#000000","contrastBlack":7.07,"contrastWhite":2.97,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#3699B5","hex":"#3699B5","family":"cyan","bestTextColor":"#000000","contrastBlack":6.38,"contrastWhite":3.29,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#B5365A","hex":"#B5365A","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":3.64,"contrastWhite":5.77,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","balanced","balanced red","Red Clay adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/b55136.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/red-clay.json","https://www.colorsencyclopedia.com/api/colors/sienna.json","https://www.colorsencyclopedia.com/api/colors/adobe.json"]}
Harmonies
{"complementary":"#3699B5","analogous":["#B5365A","#B59136"],"triadic":["#36B551","#5136B5"],"tetradic":["#5AB536","#3699B5","#9136B5"],"splitComplementary":["#36B591","#365AB5"],"monochromatic":["#D58772","#B55136","#6E3221"]}
Variants
{"light":"#D58772","dark":"#6E3221","saturated":"#CE431C","desaturated":"#9B6050","pastel":"#D2A598","neon":"#FF4714"}
Nearest named colors
[{"slug":"red-clay","name":"Red Clay","hex":"#B45A3C","distance":10.862780491200215},{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":22.869193252058544},{"slug":"adobe","name":"Adobe","hex":"#BD6C48","distance":33.421549934136806},{"slug":"copper","name":"Copper","hex":"#B87333","distance":34.26368339802363},{"slug":"polished-copper","name":"Polished Copper","hex":"#B87333","distance":34.26368339802363}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #B55136

#B55136 is classified as a warm red value with balanced visual character. #B55136 is visually closest to Red Clay, a named orange color with HEX #B45A3C.

The RGB channels are 181, 81, and 54, with red carrying the strongest channel weight. In HSL, the hue is 13deg with 54% saturation and 46% lightness, so this page treats it as a moderate-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-attention visual states. Its luminance is 0.1597, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 10.86, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.19:1AA Fail
White text5.01:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #B55136 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.19:1 · Fail
White text#FFFFFF5.01:1 · AA

Accessible Alternatives

#6E3221#FFFFFF text · best 9.8:1#6E3221
#D58772#000000 text · best 7.54:1#D58772
#B59136#000000 text · best 7.07:1#B59136
#3699B5#000000 text · best 6.38:1#3699B5
#B5365A#FFFFFF text · best 5.77:1#B5365A

Generated Palette

#B55136#B55136
#3699B5#3699B5
#B5365A#B5365A
#B59136#B59136
#D58772#D58772
#6E3221#6E3221

Color Harmonies

#3699B5#3699B5
#B5365A#B5365A
#B59136#B59136
#36B551#36B551
#5136B5#5136B5

Variants

#D58772#D58772
#6E3221#6E3221
#CE431C#CE431C
#9B6050#9B6050
#D2A598#D2A598
#FF4714#FF4714

Nearest Named Colors

Red Clay#B45A3C
Sienna#A0522D
Adobe#BD6C48
Copper#B87333
Polished Copper#B87333

Related HEX Guides

Red Clay colorOpen the nearest named color reference for #B45A3C.Sienna colorOpen the nearest named color reference for #A0522D.Adobe colorOpen the nearest named color reference for #BD6C48.Red color familyBrowse named red colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Balanced colorsFind colors in the balanced group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#B55136 APIOpen the machine-readable JSON record for this HEX value.