Colors Encyclopedia

HEX atlas value

#B8380A

#B8380A is a warm orange HEX color close to Rust. According to Colors Encyclopedia, it converts to RGB 184, 56, 10, HSL 16, 90%, 38%, has luminance 0.1304, and belongs to the vibrant group.

orangewarmvibrant
#B8380A Sample readable text
HEX #B8380A
RGB rgb(184, 56, 10)
HSL hsl(16 90% 38%)
CMYK cmyk(0, 70, 95, 28)
Luminance 0.1304
Contrast Black 3.61:1White 5.82:1

CSS

--color-b8380a: #B8380A;
.background-b8380a { background-color: #B8380A; }
.text-b8380a { color: #B8380A; }

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
Luminance0.1304
Black text3.61:1AA Fail
White text5.82:1AA 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":"#B8380A","rgb":[184,56,10],"hsl":[16,90,38],"cmyk":[0,70,95,28],"luminance":0.1304,"contrast":{"black":3.61,"white":5.82}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.61,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.82,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#611E05","hex":"#611E05","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.7,"contrastWhite":12.38,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Pompeian Red","hex":"#A42A04","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.91,"contrastWhite":7.21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#B88F0A","hex":"#B88F0A","family":"yellow","bestTextColor":"#000000","contrastBlack":6.97,"contrastWhite":3.01,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#B80A32","hex":"#B80A32","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.13,"contrastWhite":6.71,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"Firebrick","hex":"#B22222","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.14,"contrastWhite":6.68,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Rust adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/b8380a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/mahogany.json","https://www.colorsencyclopedia.com/api/colors/pompeian-red.json"]}
Harmonies
{"complementary":"#0A8AB8","analogous":["#B80A32","#B88F0A"],"triadic":["#0AB838","#380AB8"],"tetradic":["#32B80A","#0A8AB8","#8F0AB8"],"splitComplementary":["#0AB88F","#0A32B8"],"monochromatic":["#F4602A","#B8380A","#611E05"]}
Variants
{"light":"#F4602A","dark":"#611E05","saturated":"#C23400","desaturated":"#A3421F","pastel":"#E7805A","neon":"#EB3F00"}
Nearest named colors
[{"slug":"rust","name":"Rust","hex":"#B7410E","distance":9.899494936611665},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":15.0996688705415},{"slug":"pompeian-red","name":"Pompeian Red","hex":"#A42A04","distance":25.13961017995307},{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":33.1058907144937},{"slug":"burnt-orange","name":"Burnt Orange","hex":"#CC5500","distance":36.61966684720111}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #B8380A

#B8380A is classified as a warm orange value with vibrant visual character. #B8380A is visually closest to Rust, a named orange color with HEX #B7410E.

The RGB channels are 184, 56, and 10, with red carrying the strongest channel weight. In HSL, the hue is 16deg with 90% 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 0.1304, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 9.90, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.61:1AA Fail
White text5.82:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #B8380A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.61:1 · Fail
White text#FFFFFF5.82:1 · AA

Accessible Alternatives

#611E05#FFFFFF text · best 12.38:1#611E05
Pompeian Red#FFFFFF text · best 7.21:1#A42A04
#B88F0A#000000 text · best 6.97:1#B88F0A
#B80A32#FFFFFF text · best 6.71:1#B80A32
Firebrick#FFFFFF text · best 6.68:1#B22222

Generated Palette

#B8380A#B8380A
#0A8AB8#0A8AB8
#B80A32#B80A32
#B88F0A#B88F0A
#F4602A#F4602A
#611E05#611E05

Color Harmonies

#0A8AB8#0A8AB8
#B80A32#B80A32
#B88F0A#B88F0A
#0AB838#0AB838
#380AB8#380AB8

Variants

#F4602A#F4602A
#611E05#611E05
#C23400#C23400
#A3421F#A3421F
#E7805A#E7805A
#EB3F00#EB3F00

Nearest Named Colors

Rust#B7410E
Mahogany#C04000
Pompeian Red#A42A04
Firebrick#B22222
Burnt Orange#CC5500

Related HEX Guides

Rust colorOpen the nearest named color reference for #B7410E.Mahogany colorOpen the nearest named color reference for #C04000.Pompeian Red colorOpen the nearest named color reference for #A42A04.Orange color familyBrowse named orange 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.#B8380A APIOpen the machine-readable JSON record for this HEX value.