HEX atlas value

#D12C1A

#D12C1A is a warm red HEX color close to Persian Red. According to Colors Encyclopedia, it converts to RGB 209, 44, 26, HSL 6, 78%, 46%, has luminance 0.1543, and belongs to the vibrant group.

#D12C1A Sample readable text
HEX #D12C1A
RGB rgb(209, 44, 26)
HSL hsl(6 78% 46%)
CMYK cmyk(0, 79, 88, 18)
Luminance 0.1543
Contrast Black 4.09:1White 5.14:1

CSS

--color-d12c1a: #D12C1A;
.background-d12c1a { background-color: #D12C1A; }
.text-d12c1a { color: #D12C1A; }

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
Luminance0.1543
Black text4.09:1AA Fail
White text5.14:1AA 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":"#D12C1A","rgb":[209,44,26],"hsl":[6,78,46],"cmyk":[0,79,88,18],"luminance":0.1543,"contrast":{"black":4.09,"white":5.14}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.09,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.14,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#7F1B10","hex":"#7F1B10","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.07,"contrastWhite":10.16,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#1ABED1","hex":"#1ABED1","family":"cyan","bestTextColor":"#000000","contrastBlack":9.33,"contrastWhite":2.25,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#D1881A","hex":"#D1881A","family":"orange","bestTextColor":"#000000","contrastBlack":7.25,"contrastWhite":2.9,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#EB6A5C","hex":"#EB6A5C","family":"red","bestTextColor":"#000000","contrastBlack":6.75,"contrastWhite":3.11,"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","vibrant","vibrant red","Persian Red 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/d12c1a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/persian-red.json","https://www.colorsencyclopedia.com/api/colors/firebrick.json","https://www.colorsencyclopedia.com/api/colors/rust.json"]}
Harmonies
{"complementary":"#1ABED1","analogous":["#D11A63","#D1881A"],"triadic":["#1AD12C","#2C1AD1"],"tetradic":["#63D11A","#1ABED1","#881AD1"],"splitComplementary":["#1AD188","#1A63D1"],"monochromatic":["#EB6A5C","#D12C1A","#7F1B10"]}
Variants
{"light":"#EB6A5C","dark":"#7F1B10","saturated":"#EB1700","desaturated":"#B74134","pastel":"#E49086","neon":"#FF2C14"}
Nearest named colors
[{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":26.43860813280457},{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":33.54101966249684},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":35.510561809129406},{"slug":"poppy-red","name":"Poppy Red","hex":"#DC343B","distance":35.6931365951495},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":36.945906403822335}]

HEX meaning and use

About #D12C1A

#D12C1A is classified as a warm red value with vibrant visual character. #D12C1A is visually closest to Persian Red, a named red color with HEX #CC3333.

The RGB channels are 209, 44, and 26, with red carrying the strongest channel weight. In HSL, the hue is 6deg with 78% saturation and 46% 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 0.1543, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 26.44, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.09:1AA Fail
White text5.14:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #D12C1A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.09:1 · Fail
White text#FFFFFF5.14:1 · AA

Accessible Alternatives

#7F1B10#FFFFFF text · best 10.16:1#7F1B10
#1ABED1#000000 text · best 9.33:1#1ABED1
#D1881A#000000 text · best 7.25:1#D1881A
#EB6A5C#000000 text · best 6.75:1#EB6A5C
Firebrick#FFFFFF text · best 6.68:1#B22222

Generated Palette

#D12C1A#D12C1A
#1ABED1#1ABED1
#D11A63#D11A63
#D1881A#D1881A
#EB6A5C#EB6A5C
#7F1B10#7F1B10

Color Harmonies

#1ABED1#1ABED1
#D11A63#D11A63
#D1881A#D1881A
#1AD12C#1AD12C
#2C1AD1#2C1AD1

Variants

#EB6A5C#EB6A5C
#7F1B10#7F1B10
#EB1700#EB1700
#B74134#B74134
#E49086#E49086
#FF2C14#FF2C14

Nearest Named Colors