Colors Encyclopedia

HEX atlas value

#B8301E

#B8301E is a warm red HEX color close to Firebrick. According to Colors Encyclopedia, it converts to RGB 184, 48, 30, HSL 7, 72%, 42%, has luminance 0.124, and belongs to the vibrant group.

redwarmvibrant
#B8301E Sample readable text
HEX #B8301E
RGB rgb(184, 48, 30)
HSL hsl(7 72% 42%)
CMYK cmyk(0, 74, 84, 28)
Luminance 0.124
Contrast Black 3.48:1White 6.03:1

CSS

--color-b8301e: #B8301E;
.background-b8301e { background-color: #B8301E; }
.text-b8301e { color: #B8301E; }

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
Luminance0.124
Black text3.48:1AA Fail
White text6.03:1AA 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":"#B8301E","rgb":[184,48,30],"hsl":[7,72,42],"cmyk":[0,74,84,28],"luminance":0.124,"contrast":{"black":3.48,"white":6.03}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.48,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":6.03,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#691B11","hex":"#691B11","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.77,"contrastWhite":11.89,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#1EA6B8","hex":"#1EA6B8","family":"cyan","bestTextColor":"#000000","contrastBlack":7.2,"contrastWhite":2.92,"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":"Tool Red","hex":"#B11226","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.98,"contrastWhite":7.04,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Firebrick","hex":"#B22222","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.14,"contrastWhite":6.68,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","vibrant","vibrant red","Firebrick adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/b8301e.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/firebrick.json","https://www.colorsencyclopedia.com/api/colors/brown.json","https://www.colorsencyclopedia.com/api/colors/rust.json"]}
Harmonies
{"complementary":"#1EA6B8","analogous":["#B81E59","#B87D1E"],"triadic":["#1EB830","#301EB8"],"tetradic":["#59B81E","#1EA6B8","#7D1EB8"],"splitComplementary":["#1EB87D","#1E59B8"],"monochromatic":["#E26150","#B8301E","#691B11"]}
Variants
{"light":"#E26150","dark":"#691B11","saturated":"#D01E06","desaturated":"#A14236","pastel":"#DB867B","neon":"#FF1E00"}
Nearest named colors
[{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":15.748015748023622},{"slug":"brown","name":"Brown","hex":"#A52A2A","distance":23.259406699226016},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":23.366642891095847},{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":29.154759474226502},{"slug":"tool-red","name":"Tool Red","hex":"#B11226","distance":31.827660925679098}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #B8301E

#B8301E is classified as a warm red value with vibrant visual character. #B8301E is visually closest to Firebrick, a named red color with HEX #B22222.

The RGB channels are 184, 48, and 30, with red carrying the strongest channel weight. In HSL, the hue is 7deg with 72% saturation and 42% 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 0.124, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 15.75, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.48:1AA Fail
White text6.03:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #B8301E needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.48:1 · Fail
White text#FFFFFF6.03:1 · AA

Accessible Alternatives

#691B11#FFFFFF text · best 11.89:1#691B11
#1EA6B8#000000 text · best 7.2:1#1EA6B8
Brown#FFFFFF text · best 7.09:1#A52A2A
Tool Red#FFFFFF text · best 7.04:1#B11226
Firebrick#FFFFFF text · best 6.68:1#B22222

Generated Palette

#B8301E#B8301E
#1EA6B8#1EA6B8
#B81E59#B81E59
#B87D1E#B87D1E
#E26150#E26150
#691B11#691B11

Color Harmonies

#1EA6B8#1EA6B8
#B81E59#B81E59
#B87D1E#B87D1E
#1EB830#1EB830
#301EB8#301EB8

Variants

#E26150#E26150
#691B11#691B11
#D01E06#D01E06
#A14236#A14236
#DB867B#DB867B
#FF1E00#FF1E00

Nearest Named Colors

Firebrick#B22222
Brown#A52A2A
Rust#B7410E
Persian Red#CC3333
Tool Red#B11226

Related HEX Guides

Firebrick colorOpen the nearest named color reference for #B22222.Brown colorOpen the nearest named color reference for #A52A2A.Rust colorOpen the nearest named color reference for #B7410E.Red color familyBrowse named red colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Vibrant colorsFind colors in the vibrant 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.#B8301E APIOpen the machine-readable JSON record for this HEX value.