HEX atlas value

#D13B1A

#D13B1A is a warm red HEX color close to Persian Red. According to Colors Encyclopedia, it converts to RGB 209, 59, 26, HSL 11, 78%, 46%, has luminance 0.1676, and belongs to the vibrant group.

red warm vibrant

#D13B1A Sample readable text

HEX #D13B1A

RGB rgb(209, 59, 26)

HSL hsl(11 78% 46%)

CMYK cmyk(0, 72, 88, 18)

Luminance 0.1676

Contrast Black 4.35:1White 4.83:1

CSS

--color-d13b1a: #D13B1A;
.background-d13b1a { background-color: #D13B1A; }
.text-d13b1a { color: #D13B1A; }

Luminance0.1676

Black text4.35:1AA Fail

White text4.83:1AA 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

Structured sections

Color systems

{"hex":"#D13B1A","rgb":[209,59,26],"hsl":[11,78,46],"cmyk":[0,72,88,18],"luminance":0.1676,"contrast":{"black":4.35,"white":4.83}}

WCAG

{"AA":["#FFFFFF"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.35,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.83,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#7F2410","hex":"#7F2410","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.16,"contrastWhite":9.71,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#D1971A","hex":"#D1971A","family":"orange","bestTextColor":"#000000","contrastBlack":8.15,"contrastWhite":2.58,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#1AAFD1","hex":"#1AAFD1","family":"cyan","bestTextColor":"#000000","contrastBlack":8.1,"contrastWhite":2.59,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#EB765C","hex":"#EB765C","family":"red","bestTextColor":"#000000","contrastBlack":7.28,"contrastWhite":2.89,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Rust","hex":"#B7410E","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":3.78,"contrastWhite":5.56,"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"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/d13b1a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/persian-red.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/mahogany.json"]}

Harmonies

{"complementary":"#1AAFD1","analogous":["#D11A54","#D1971A"],"triadic":["#1AD13B","#3B1AD1"],"tetradic":["#54D11A","#1AAFD1","#971AD1"],"splitComplementary":["#1AD197","#1A54D1"],"monochromatic":["#EB765C","#D13B1A","#7F2410"]}

Variants

{"light":"#EB765C","dark":"#7F2410","saturated":"#EB2B00","desaturated":"#B74C34","pastel":"#E49886","neon":"#FF3F14"}

Nearest named colors

[{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":26.720778431774775},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":29.257477676655586},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":31.464265445104548},{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":32.38826948140329},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":32.93933818400121}]

HEX meaning and use

About #D13B1A

#D13B1A is classified as a warm red value with vibrant visual character. #D13B1A is visually closest to Persian Red, a named red color with HEX #CC3333.

The RGB channels are 209, 59, and 26, with red carrying the strongest channel weight. In HSL, the hue is 11deg 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 0.1676, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 26.72, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.35:1AA Fail

White text4.83:1AA Pass

AA text options: #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #D13B1A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.35:1 · Fail

White text#FFFFFF4.83:1 · AA

Accessible Alternatives

#7F2410#FFFFFF text · best 9.71:1#7F2410

#D1971A#000000 text · best 8.15:1#D1971A

#1AAFD1#000000 text · best 8.1:1#1AAFD1

#EB765C#000000 text · best 7.28:1#EB765C

Rust#FFFFFF text · best 5.56:1#B7410E

Generated Palette

#D13B1A#D13B1A

#1AAFD1#1AAFD1

#D11A54#D11A54

#D1971A#D1971A

#EB765C#EB765C

#7F2410#7F2410

Color Harmonies

#1AAFD1#1AAFD1

#D11A54#D11A54

#D1971A#D1971A

#1AD13B#1AD13B

#3B1AD1#3B1AD1

Variants

#EB765C#EB765C

#7F2410#7F2410

#EB2B00#EB2B00

#B74C34#B74C34

#E49886#E49886

#FF3F14#FF3F14

Nearest Named Colors

Persian Red#CC3333

Rust#B7410E

Mahogany#C04000

Vermilion#E34234

Cinnabar#E44D2E

#D13B1A

CSS

Machine-Readable HEX Data (JSON)

About #D13B1A

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides