HEX atlas value

#B54136

#B54136 is a warm red HEX color close to Red Clay. According to Colors Encyclopedia, it converts to RGB 181, 65, 54, HSL 5, 54%, 46%, has luminance 0.1387, and belongs to the balanced group.

#B54136 Sample readable text
HEX #B54136
RGB rgb(181, 65, 54)
HSL hsl(5 54% 46%)
CMYK cmyk(0, 64, 70, 29)
Luminance 0.1387
Contrast Black 3.77:1White 5.56:1

CSS

--color-b54136: #B54136;
.background-b54136 { background-color: #B54136; }
.text-b54136 { color: #B54136; }

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
Luminance0.1387
Black text3.77:1AA Fail
White text5.56:1AA 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":"#B54136","rgb":[181,65,54],"hsl":[5,54,46],"cmyk":[0,64,70,29],"luminance":0.1387,"contrast":{"black":3.77,"white":5.56}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.77,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.56,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#6E2721","hex":"#6E2721","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.98,"contrastWhite":10.63,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#36AAB5","hex":"#36AAB5","family":"cyan","bestTextColor":"#000000","contrastBlack":7.57,"contrastWhite":2.77,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Brown","hex":"#A52A2A","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.96,"contrastWhite":7.09,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#D57A72","hex":"#D57A72","family":"red","bestTextColor":"#000000","contrastBlack":6.86,"contrastWhite":3.06,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"Firebrick","hex":"#B22222","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.14,"contrastWhite":6.68,"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/b54136.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/red-clay.json","https://www.colorsencyclopedia.com/api/colors/persian-red.json","https://www.colorsencyclopedia.com/api/colors/sienna.json"]}
Harmonies
{"complementary":"#36AAB5","analogous":["#B5366B","#B58036"],"triadic":["#36B541","#4136B5"],"tetradic":["#6BB536","#36AAB5","#8036B5"],"splitComplementary":["#36B580","#366BB5"],"monochromatic":["#D57A72","#B54136","#6E2721"]}
Variants
{"light":"#D57A72","dark":"#6E2721","saturated":"#CE2B1C","desaturated":"#9B5650","pastel":"#D29D98","neon":"#FF2814"}
Nearest named colors
[{"slug":"red-clay","name":"Red Clay","hex":"#B45A3C","distance":25.729360660537214},{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":27.09243436828813},{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":28.478061731796284},{"slug":"brown","name":"Brown","hex":"#A52A2A","distance":30.479501308256342},{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":37.013511046643494}]

HEX meaning and use

About #B54136

#B54136 is classified as a warm red value with balanced visual character. #B54136 is visually closest to Red Clay, a named orange color with HEX #B45A3C.

The RGB channels are 181, 65, and 54, with red carrying the strongest channel weight. In HSL, the hue is 5deg 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 0.1387, 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 text3.77:1AA Fail
White text5.56:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #B54136 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.77:1 · Fail
White text#FFFFFF5.56:1 · AA

Accessible Alternatives

#6E2721#FFFFFF text · best 10.63:1#6E2721
#36AAB5#000000 text · best 7.57:1#36AAB5
Brown#FFFFFF text · best 7.09:1#A52A2A
#D57A72#000000 text · best 6.86:1#D57A72
Firebrick#FFFFFF text · best 6.68:1#B22222

Generated Palette

#B54136#B54136
#36AAB5#36AAB5
#B5366B#B5366B
#B58036#B58036
#D57A72#D57A72
#6E2721#6E2721

Color Harmonies

#36AAB5#36AAB5
#B5366B#B5366B
#B58036#B58036
#36B541#36B541
#4136B5#4136B5

Variants

#D57A72#D57A72
#6E2721#6E2721
#CE2B1C#CE2B1C
#9B5650#9B5650
#D29D98#D29D98
#FF2814#FF2814

Nearest Named Colors