HEX atlas value

#C53211

#C53211 is a warm red HEX color close to Rust. According to Colors Encyclopedia, it converts to RGB 197, 50, 17, HSL 11, 84%, 42%, has luminance 0.1419, and belongs to the vibrant group.

#C53211 Sample readable text
HEX #C53211
RGB rgb(197, 50, 17)
HSL hsl(11 84% 42%)
CMYK cmyk(0, 75, 91, 23)
Luminance 0.1419
Contrast Black 3.84:1White 5.47:1

CSS

--color-c53211: #C53211;
.background-c53211 { background-color: #C53211; }
.text-c53211 { color: #C53211; }

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
Luminance0.1419
Black text3.84:1AA Fail
White text5.47:1AA 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":"#C53211","rgb":[197,50,17],"hsl":[11,84,42],"cmyk":[0,75,91,23],"luminance":0.1419,"contrast":{"black":3.84,"white":5.47}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.84,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.47,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#711D0A","hex":"#711D0A","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.88,"contrastWhite":11.16,"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":"#11A4C5","hex":"#11A4C5","family":"cyan","bestTextColor":"#000000","contrastBlack":7.14,"contrastWhite":2.94,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#C58C11","hex":"#C58C11","family":"orange","bestTextColor":"#000000","contrastBlack":7.13,"contrastWhite":2.94,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"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","Rust 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/c53211.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/firebrick.json"]}
Harmonies
{"complementary":"#11A4C5","analogous":["#C5114A","#C58C11"],"triadic":["#11C532","#3211C5"],"tetradic":["#4AC511","#11A4C5","#8C11C5"],"splitComplementary":["#11C58C","#114AC5"],"monochromatic":["#EF6343","#C53211","#711D0A"]}
Variants
{"light":"#EF6343","dark":"#711D0A","saturated":"#D62700","desaturated":"#AE4129","pastel":"#E58671","neon":"#FF2F00"}
Nearest named colors
[{"slug":"rust","name":"Rust","hex":"#B7410E","distance":20.73644135332772},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":22.58317958127243},{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":30.099833886584822},{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":34.72751070837067},{"slug":"pompeian-red","name":"Pompeian Red","hex":"#A42A04","distance":36.359317925395686}]

HEX meaning and use

About #C53211

#C53211 is classified as a warm red value with vibrant visual character. #C53211 is visually closest to Rust, a named orange color with HEX #B7410E.

The RGB channels are 197, 50, and 17, with red carrying the strongest channel weight. In HSL, the hue is 11deg with 84% 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 0.1419, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.74, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.84:1AA Fail
White text5.47:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #C53211 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.84:1 · Fail
White text#FFFFFF5.47:1 · AA

Accessible Alternatives

#711D0A#FFFFFF text · best 11.16:1#711D0A
Pompeian Red#FFFFFF text · best 7.21:1#A42A04
#11A4C5#000000 text · best 7.14:1#11A4C5
#C58C11#000000 text · best 7.13:1#C58C11
Firebrick#FFFFFF text · best 6.68:1#B22222

Generated Palette

#C53211#C53211
#11A4C5#11A4C5
#C5114A#C5114A
#C58C11#C58C11
#EF6343#EF6343
#711D0A#711D0A

Color Harmonies

#11A4C5#11A4C5
#C5114A#C5114A
#C58C11#C58C11
#11C532#11C532
#3211C5#3211C5

Variants

#EF6343#EF6343
#711D0A#711D0A
#D62700#D62700
#AE4129#AE4129
#E58671#E58671
#FF2F00#FF2F00

Nearest Named Colors