Colors Encyclopedia

HEX atlas value

#D73C3C

#D73C3C is a warm red HEX color close to Poppy Red. According to Colors Encyclopedia, it converts to RGB 215, 60, 60, HSL 0, 66%, 54%, has luminance 0.1801, and belongs to the balanced group.

redwarmbalanced
#D73C3C Sample readable text
HEX #D73C3C
RGB rgb(215, 60, 60)
HSL hsl(0 66% 54%)
CMYK cmyk(0, 72, 72, 16)
Luminance 0.1801
Contrast Black 4.6:1White 4.56:1

CSS

--color-d73c3c: #D73C3C;
.background-d73c3c { background-color: #D73C3C; }
.text-d73c3c { color: #D73C3C; }

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
Luminance0.1801
Black text4.6:1AA Pass
White text4.56:1AA 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":"#D73C3C","rgb":[215,60,60],"hsl":[0,66,54],"cmyk":[0,72,72,16],"luminance":0.1801,"contrast":{"black":4.6,"white":4.56}}
WCAG
{"AA":["#000000","#FFFFFF"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.6,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.56,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#3CD7D7","hex":"#3CD7D7","family":"cyan","bestTextColor":"#000000","contrastBlack":11.89,"contrastWhite":1.77,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#E78888","hex":"#E78888","family":"red","bestTextColor":"#000000","contrastBlack":8.27,"contrastWhite":2.54,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#981F1F","hex":"#981F1F","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.55,"contrastWhite":8.24,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#D78A3C","hex":"#D78A3C","family":"orange","bestTextColor":"#000000","contrastBlack":7.59,"contrastWhite":2.77,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Cinnabar","hex":"#E44D2E","family":"red","bestTextColor":"#000000","contrastBlack":5.4,"contrastWhite":3.89,"wcagAA":["#000000"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","balanced","balanced red","Poppy Red adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-attention visual states"],"contrastSafeWith":["#000000","#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/d73c3c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/poppy-red.json","https://www.colorsencyclopedia.com/api/colors/vermilion.json","https://www.colorsencyclopedia.com/api/colors/persian-red.json"]}
Harmonies
{"complementary":"#3CD7D7","analogous":["#D73C8A","#D78A3C"],"triadic":["#3CD73C","#3C3CD7"],"tetradic":["#8AD73C","#3CD7D7","#8A3CD7"],"splitComplementary":["#3CD78A","#3C8AD7"],"monochromatic":["#E78888","#D73C3C","#981F1F"]}
Variants
{"light":"#E78888","dark":"#981F1F","saturated":"#F12222","desaturated":"#BD5656","pastel":"#E5AEAE","neon":"#FF3D3D"}
Nearest named colors
[{"slug":"poppy-red","name":"Poppy Red","hex":"#DC343B","distance":9.486832980505138},{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":15.620499351813308},{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":16.822603841260722},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":25.573423705088842},{"slug":"spinel","name":"Spinel","hex":"#D83A56","distance":26.095976701399778}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #D73C3C

#D73C3C is classified as a warm red value with balanced visual character. #D73C3C is visually closest to Poppy Red, a named red color with HEX #DC343B.

The RGB channels are 215, 60, and 60, with red carrying the strongest channel weight. In HSL, the hue is 0deg with 66% saturation and 54% lightness, so this page treats it as a moderate-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-attention visual states. Its luminance is 0.1801, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 9.49, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.6:1AA Pass
White text4.56:1AA Pass

AA text options: #000000, #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #D73C3C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.6:1 · AA
White text#FFFFFF4.56:1 · AA

Accessible Alternatives

#3CD7D7#000000 text · best 11.89:1#3CD7D7
#E78888#000000 text · best 8.27:1#E78888
#981F1F#FFFFFF text · best 8.24:1#981F1F
#D78A3C#000000 text · best 7.59:1#D78A3C
Cinnabar#000000 text · best 5.4:1#E44D2E

Generated Palette

#D73C3C#D73C3C
#3CD7D7#3CD7D7
#D73C8A#D73C8A
#D78A3C#D78A3C
#E78888#E78888
#981F1F#981F1F

Color Harmonies

#3CD7D7#3CD7D7
#D73C8A#D73C8A
#D78A3C#D78A3C
#3CD73C#3CD73C
#3C3CD7#3C3CD7

Variants

#E78888#E78888
#981F1F#981F1F
#F12222#F12222
#BD5656#BD5656
#E5AEAE#E5AEAE
#FF3D3D#FF3D3D

Nearest Named Colors

Poppy Red#DC343B
Vermilion#E34234
Persian Red#CC3333
Cinnabar#E44D2E
Spinel#D83A56

Related HEX Guides

Poppy Red colorOpen the nearest named color reference for #DC343B.Vermilion colorOpen the nearest named color reference for #E34234.Persian Red colorOpen the nearest named color reference for #CC3333.Red color familyBrowse named red colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Balanced colorsFind colors in the balanced 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.#D73C3C APIOpen the machine-readable JSON record for this HEX value.