HEX atlas value

#B23C24

#B23C24 is a warm red HEX color close to Brown. According to Colors Encyclopedia, it converts to RGB 178, 60, 36, HSL 10, 66%, 42%, has luminance 0.1282, and belongs to the balanced group.

#B23C24 Sample readable text
HEX #B23C24
RGB rgb(178, 60, 36)
HSL hsl(10 66% 42%)
CMYK cmyk(0, 66, 80, 30)
Luminance 0.1282
Contrast Black 3.56:1White 5.89:1

CSS

--color-b23c24: #B23C24;
.background-b23c24 { background-color: #B23C24; }
.text-b23c24 { color: #B23C24; }

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
Luminance0.1282
Black text3.56:1AA Fail
White text5.89:1AA 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":"#B23C24","rgb":[178,60,36],"hsl":[10,66,42],"cmyk":[0,66,80,30],"luminance":0.1282,"contrast":{"black":3.56,"white":5.89}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.56,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.89,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#662215","hex":"#662215","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.8,"contrastWhite":11.64,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Brown","hex":"#A52A2A","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.96,"contrastWhite":7.09,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Firebrick","hex":"#B22222","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.14,"contrastWhite":6.68,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#B22454","hex":"#B22454","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":3.27,"contrastWhite":6.41,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#249AB2","hex":"#249AB2","family":"cyan","bestTextColor":"#000000","contrastBlack":6.34,"contrastWhite":3.31,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","balanced","balanced red","Brown adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/b23c24.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/brown.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/firebrick.json"]}
Harmonies
{"complementary":"#249AB2","analogous":["#B22454","#B28324"],"triadic":["#24B23C","#3C24B2"],"tetradic":["#54B224","#249AB2","#8324B2"],"splitComplementary":["#24B283","#2454B2"],"monochromatic":["#DC6C56","#B23C24","#662215"]}
Variants
{"light":"#DC6C56","dark":"#662215","saturated":"#C92C0D","desaturated":"#9A4C3C","pastel":"#D68E80","neon":"#FF2B00"}
Nearest named colors
[{"slug":"brown","name":"Brown","hex":"#A52A2A","distance":23},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":23.108440016582687},{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":26.076809620810597},{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":29.816103031751148},{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":31.336879231984796}]

HEX meaning and use

About #B23C24

#B23C24 is classified as a warm red value with balanced visual character. #B23C24 is visually closest to Brown, a named red color with HEX #A52A2A.

The RGB channels are 178, 60, and 36, with red carrying the strongest channel weight. In HSL, the hue is 10deg with 66% saturation and 42% 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 0.1282, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 23.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.56:1AA Fail
White text5.89:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #B23C24 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.56:1 · Fail
White text#FFFFFF5.89:1 · AA

Accessible Alternatives

#662215#FFFFFF text · best 11.64:1#662215
Brown#FFFFFF text · best 7.09:1#A52A2A
Firebrick#FFFFFF text · best 6.68:1#B22222
#B22454#FFFFFF text · best 6.41:1#B22454
#249AB2#000000 text · best 6.34:1#249AB2

Generated Palette

#B23C24#B23C24
#249AB2#249AB2
#B22454#B22454
#B28324#B28324
#DC6C56#DC6C56
#662215#662215

Color Harmonies

#249AB2#249AB2
#B22454#B22454
#B28324#B28324
#24B23C#24B23C
#3C24B2#3C24B2

Variants

#DC6C56#DC6C56
#662215#662215
#C92C0D#C92C0D
#9A4C3C#9A4C3C
#D68E80#D68E80
#FF2B00#FF2B00

Nearest Named Colors