HEX atlas value

#D20804

#D20804 is a warm red HEX color close to Traffic Red. According to Colors Encyclopedia, it converts to RGB 210, 8, 4, HSL 1, 96%, 42%, has luminance 0.1388, and belongs to the vibrant group.

#D20804 Sample readable text
HEX #D20804
RGB rgb(210, 8, 4)
HSL hsl(1 96% 42%)
CMYK cmyk(0, 96, 98, 18)
Luminance 0.1388
Contrast Black 3.78:1White 5.56:1

CSS

--color-d20804: #D20804;
.background-d20804 { background-color: #D20804; }
.text-d20804 { color: #D20804; }

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
Luminance0.1388
Black text3.78:1AA Fail
White text5.56:1AA 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":"#D20804","rgb":[210,8,4],"hsl":[1,96,42],"cmyk":[0,96,98,18],"luminance":0.1388,"contrast":{"black":3.78,"white":5.56}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.78,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.56,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#780402","hex":"#780402","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.82,"contrastWhite":11.56,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#04CED2","hex":"#04CED2","family":"cyan","bestTextColor":"#000000","contrastBlack":10.76,"contrastWhite":1.95,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#BA1E1C","hex":"#BA1E1C","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.29,"contrastWhite":6.38,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#D26F04","hex":"#D26F04","family":"orange","bestTextColor":"#000000","contrastBlack":6.02,"contrastWhite":3.49,"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","Traffic 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/d20804.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/traffic-red.json","https://www.colorsencyclopedia.com/api/colors/venetian-red.json","https://www.colorsencyclopedia.com/api/colors/signal-red.json"]}
Harmonies
{"complementary":"#04CED2","analogous":["#D20468","#D26F04"],"triadic":["#04D208","#0804D2"],"tetradic":["#68D204","#04CED2","#6F04D2"],"splitComplementary":["#04D26F","#0468D2"],"monochromatic":["#FB3A37","#D20804","#780402"]}
Variants
{"light":"#FB3A37","dark":"#780402","saturated":"#D60400","desaturated":"#BA1E1C","pastel":"#EF6967","neon":"#FF0400"}
Nearest named colors
[{"slug":"traffic-red","name":"Traffic Red","hex":"#CC0605","distance":6.4031242374328485},{"slug":"venetian-red","name":"Venetian Red","hex":"#C80815","distance":19.72308292331602},{"slug":"signal-red","name":"Signal Red","hex":"#E60000","distance":21.908902300206645},{"slug":"cadmium-red","name":"Cadmium Red","hex":"#E30022","distance":35.397740040855716},{"slug":"cherry-red","name":"Cherry Red","hex":"#D2042D","distance":41.19465984809196}]

HEX meaning and use

About #D20804

#D20804 is classified as a warm red value with vibrant visual character. #D20804 is visually closest to Traffic Red, a named red color with HEX #CC0605.

The RGB channels are 210, 8, and 4, with red carrying the strongest channel weight. In HSL, the hue is 1deg with 96% saturation and 42% 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 0.1388, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 6.40, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.78:1AA Fail
White text5.56:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #D20804 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.78:1 · Fail
White text#FFFFFF5.56:1 · AA

Accessible Alternatives

#780402#FFFFFF text · best 11.56:1#780402
#04CED2#000000 text · best 10.76:1#04CED2
#BA1E1C#FFFFFF text · best 6.38:1#BA1E1C
#D26F04#000000 text · best 6.02:1#D26F04
Venetian Red#FFFFFF text · best 6:1#C80815

Generated Palette

#D20804#D20804
#04CED2#04CED2
#D20468#D20468
#D26F04#D26F04
#FB3A37#FB3A37
#780402#780402

Color Harmonies

#04CED2#04CED2
#D20468#D20468
#D26F04#D26F04
#04D208#04D208
#0804D2#0804D2

Variants

#FB3A37#FB3A37
#780402#780402
#D60400#D60400
#BA1E1C#BA1E1C
#EF6967#EF6967
#FF0400#FF0400

Nearest Named Colors