HEX atlas value

#D81313

#D81313 is a warm red HEX color close to Venetian Red. According to Colors Encyclopedia, it converts to RGB 216, 19, 19, HSL 0, 84%, 46%, has luminance 0.1511, and belongs to the vibrant group.

red warm vibrant

#D81313 Sample readable text

HEX #D81313

RGB rgb(216, 19, 19)

HSL hsl(0 84% 46%)

CMYK cmyk(0, 91, 91, 15)

Luminance 0.1511

Contrast Black 4.02:1White 5.22:1

CSS

--color-d81313: #D81313;
.background-d81313 { background-color: #D81313; }
.text-d81313 { color: #D81313; }

Luminance0.1511

Black text4.02:1AA Fail

White text5.22:1AA 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":"#D81313","rgb":[216,19,19],"hsl":[0,84,46],"cmyk":[0,91,91,15],"luminance":0.1511,"contrast":{"black":4.02,"white":5.22}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.02,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.22,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#13D8D8","hex":"#13D8D8","family":"cyan","bestTextColor":"#000000","contrastBlack":11.84,"contrastWhite":1.77,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#830B0B","hex":"#830B0B","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.02,"contrastWhite":10.41,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#D87513","hex":"#D87513","family":"orange","bestTextColor":"#000000","contrastBlack":6.47,"contrastWhite":3.24,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#F05656","hex":"#F05656","family":"red","bestTextColor":"#000000","contrastBlack":6.17,"contrastWhite":3.4,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"Venetian Red","hex":"#C80815","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.5,"contrastWhite":6,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm red","vibrant","vibrant red","Venetian 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/d81313.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/venetian-red.json","https://www.colorsencyclopedia.com/api/colors/traffic-red.json","https://www.colorsencyclopedia.com/api/colors/cadmium-red.json"]}

Harmonies

{"complementary":"#13D8D8","analogous":["#D81375","#D87513"],"triadic":["#13D813","#1313D8"],"tetradic":["#75D813","#13D8D8","#7513D8"],"splitComplementary":["#13D875","#1375D8"],"monochromatic":["#F05656","#D81313","#830B0B"]}

Variants

{"light":"#F05656","dark":"#830B0B","saturated":"#EB0000","desaturated":"#BE2D2D","pastel":"#E88282","neon":"#FF1414"}

Nearest named colors

[{"slug":"venetian-red","name":"Venetian Red","hex":"#C80815","distance":19.519221295943137},{"slug":"traffic-red","name":"Traffic Red","hex":"#CC0605","distance":22.561028345356956},{"slug":"cadmium-red","name":"Cadmium Red","hex":"#E30022","distance":26.589471600616662},{"slug":"signal-red","name":"Signal Red","hex":"#E60000","distance":30.298514815086232},{"slug":"cherry-red","name":"Cherry Red","hex":"#D2042D","distance":30.610455730027933}]

HEX meaning and use

About #D81313

#D81313 is classified as a warm red value with vibrant visual character. #D81313 is visually closest to Venetian Red, a named red color with HEX #C80815.

The RGB channels are 216, 19, and 19, with red carrying the strongest channel weight. In HSL, the hue is 0deg with 84% 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 0.1511, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 19.52, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.02:1AA Fail

White text5.22:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #D81313 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.02:1 · Fail

White text#FFFFFF5.22:1 · AA

Accessible Alternatives

#13D8D8#000000 text · best 11.84:1#13D8D8

#830B0B#FFFFFF text · best 10.41:1#830B0B

#D87513#000000 text · best 6.47:1#D87513

#F05656#000000 text · best 6.17:1#F05656

Venetian Red#FFFFFF text · best 6:1#C80815

Generated Palette

#D81313#D81313

#13D8D8#13D8D8

#D81375#D81375

#D87513#D87513

#F05656#F05656

#830B0B#830B0B

Color Harmonies

#13D8D8#13D8D8

#D81375#D81375

#D87513#D87513

#13D813#13D813

#1313D8#1313D8

Variants

#F05656#F05656

#830B0B#830B0B

#EB0000#EB0000

#BE2D2D#BE2D2D

#E88282#E88282

#FF1414#FF1414

Nearest Named Colors

Venetian Red#C80815

Traffic Red#CC0605

Cadmium Red#E30022

Signal Red#E60000

Cherry Red#D2042D

#D81313

CSS

Machine-Readable HEX Data (JSON)

About #D81313

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides