Colors Encyclopedia

HEX atlas value

#D04D43

#D04D43 is a warm red HEX color close to Vermilion. According to Colors Encyclopedia, it converts to RGB 208, 77, 67, HSL 4, 60%, 54%, has luminance 0.1912, and belongs to the balanced group.

redwarmbalanced
#D04D43 Sample readable text
HEX #D04D43
RGB rgb(208, 77, 67)
HSL hsl(4 60% 54%)
CMYK cmyk(0, 63, 68, 18)
Luminance 0.1912
Contrast Black 4.82:1White 4.35:1

CSS

--color-d04d43: #D04D43;
.background-d04d43 { background-color: #D04D43; }
.text-d04d43 { color: #D04D43; }

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
Luminance0.1912
Black text4.82:1AA Pass
White text4.35:1AA Fail
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":"#D04D43","rgb":[208,77,67],"hsl":[4,60,54],"cmyk":[0,63,68,18],"luminance":0.1912,"contrast":{"black":4.82,"white":4.35}}
WCAG
{"AA":["#000000"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.82,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.35,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#43C7D0","hex":"#43C7D0","family":"cyan","bestTextColor":"#000000","contrastBlack":10.32,"contrastWhite":2.04,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#E2928D","hex":"#E2928D","family":"red","bestTextColor":"#000000","contrastBlack":8.73,"contrastWhite":2.41,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#932C25","hex":"#932C25","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.63,"contrastWhite":7.99,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#D09343","hex":"#D09343","family":"orange","bestTextColor":"#000000","contrastBlack":7.94,"contrastWhite":2.65,"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","Vermilion adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-attention visual states"],"contrastSafeWith":["#000000"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/d04d43.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/vermilion.json","https://www.colorsencyclopedia.com/api/colors/spinel.json","https://www.colorsencyclopedia.com/api/colors/poppy-red.json"]}
Harmonies
{"complementary":"#43C7D0","analogous":["#D04380","#D09343"],"triadic":["#43D04D","#4D43D0"],"tetradic":["#80D043","#43C7D0","#9343D0"],"splitComplementary":["#43D093","#4380D0"],"monochromatic":["#E2928D","#D04D43","#932C25"]}
Variants
{"light":"#E2928D","dark":"#932C25","saturated":"#EA362A","desaturated":"#B6635D","pastel":"#E2B5B1","neon":"#FF4A3D"}
Nearest named colors
[{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":26.589471600616662},{"slug":"spinel","name":"Spinel","hex":"#D83A56","distance":28.035691537752374},{"slug":"poppy-red","name":"Poppy Red","hex":"#DC343B","distance":28.861739379323623},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":29},{"slug":"indian-red","name":"Indian Red","hex":"#CD5C5C","distance":29.30870177950569}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #D04D43

#D04D43 is classified as a warm red value with balanced visual character. #D04D43 is visually closest to Vermilion, a named red color with HEX #E34234.

The RGB channels are 208, 77, and 67, with red carrying the strongest channel weight. In HSL, the hue is 4deg with 60% 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 0.1912, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 26.59, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.82:1AA Pass
White text4.35:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #D04D43 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.82:1 · AA
White text#FFFFFF4.35:1 · Fail

Accessible Alternatives

#43C7D0#000000 text · best 10.32:1#43C7D0
#E2928D#000000 text · best 8.73:1#E2928D
#932C25#FFFFFF text · best 7.99:1#932C25
#D09343#000000 text · best 7.94:1#D09343
Cinnabar#000000 text · best 5.4:1#E44D2E

Generated Palette

#D04D43#D04D43
#43C7D0#43C7D0
#D04380#D04380
#D09343#D09343
#E2928D#E2928D
#932C25#932C25

Color Harmonies

#43C7D0#43C7D0
#D04380#D04380
#D09343#D09343
#43D04D#43D04D
#4D43D0#4D43D0

Variants

#E2928D#E2928D
#932C25#932C25
#EA362A#EA362A
#B6635D#B6635D
#E2B5B1#E2B5B1
#FF4A3D#FF4A3D

Nearest Named Colors

Vermilion#E34234
Spinel#D83A56
Poppy Red#DC343B
Cinnabar#E44D2E
Indian Red#CD5C5C

Related HEX Guides

Vermilion colorOpen the nearest named color reference for #E34234.Spinel colorOpen the nearest named color reference for #D83A56.Poppy Red colorOpen the nearest named color reference for #DC343B.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.#D04D43 APIOpen the machine-readable JSON record for this HEX value.