HEX atlas value

#571D05

#571D05 is a warm orange HEX color close to Oxblood. According to Colors Encyclopedia, it converts to RGB 87, 29, 5, HSL 18, 89%, 18%, has luminance 0.0292, and belongs to the dark group.

#571D05 Sample readable text
HEX #571D05
RGB rgb(87, 29, 5)
HSL hsl(18 89% 18%)
CMYK cmyk(0, 67, 94, 66)
Luminance 0.0292
Contrast Black 1.58:1White 13.26:1

CSS

--color-571d05: #571D05;
.background-571d05 { background-color: #571D05; }
.text-571d05 { color: #571D05; }

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
Luminance0.0292
Black text1.58:1AA Fail
White text13.26:1AA 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":"#571D05","rgb":[87,29,5],"hsl":[18,89,18],"cmyk":[0,67,94,66],"luminance":0.0292,"contrast":{"black":1.58,"white":13.26}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.58,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":13.26,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"Black","hex":"#000000","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1,"contrastWhite":21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Oxblood","hex":"#4A0000","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.29,"contrastWhite":16.25,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#570515","hex":"#570515","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.44,"contrastWhite":14.6,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#4D220F","hex":"#4D220F","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.55,"contrastWhite":13.53,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Merlot","hex":"#541E2E","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.6,"contrastWhite":13.11,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm orange","dark","dark orange","Oxblood adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","dark theme accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/571d05.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/oxblood.json","https://www.colorsencyclopedia.com/api/colors/espresso.json","https://www.colorsencyclopedia.com/api/colors/garnet-red.json"]}
Harmonies
{"complementary":"#053E57","analogous":["#570515","#574605"],"triadic":["#05571E","#1E0557"],"tetradic":["#155705","#053E57","#460557"],"splitComplementary":["#055746","#051557"],"monochromatic":["#AE3B0A","#571D05","#000000"]}
Variants
{"light":"#AE3B0A","dark":"#000000","saturated":"#5C1C00","desaturated":"#4D220F","pastel":"#BF4D1D","neon":"#852800"}
Nearest named colors
[{"slug":"oxblood","name":"Oxblood","hex":"#4A0000","distance":32.17141588429082},{"slug":"espresso","name":"Espresso","hex":"#4B3621","distance":39.408120990476064},{"slug":"garnet-red","name":"Garnet Red","hex":"#6E1F26","distance":40.27406113120453},{"slug":"merlot","name":"Merlot","hex":"#541E2E","distance":41.12177038990418},{"slug":"barn-red","name":"Barn Red","hex":"#7C0A02","distance":41.701318923986086}]

HEX meaning and use

About #571D05

#571D05 is classified as a warm orange value with dark visual character. #571D05 is visually closest to Oxblood, a named red color with HEX #4A0000.

The RGB channels are 87, 29, and 5, with red carrying the strongest channel weight. In HSL, the hue is 18deg with 89% saturation and 18% lightness, so this page treats it as a high-saturation, dark 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 dark theme accents. Its luminance is 0.0292, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 32.17, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.58:1AA Fail
White text13.26:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #571D05 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.58:1 · Fail
White text#FFFFFF13.26:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Oxblood#FFFFFF text · best 16.25:1#4A0000
#570515#FFFFFF text · best 14.6:1#570515
#4D220F#FFFFFF text · best 13.53:1#4D220F
Merlot#FFFFFF text · best 13.11:1#541E2E

Generated Palette

#571D05#571D05
#053E57#053E57
#570515#570515
#574605#574605
#AE3B0A#AE3B0A
Black#000000

Color Harmonies

#053E57#053E57
#570515#570515
#574605#574605
#05571E#05571E
#1E0557#1E0557

Variants

#AE3B0A#AE3B0A
Black#000000
#5C1C00#5C1C00
#4D220F#4D220F
#BF4D1D#BF4D1D
#852800#852800

Nearest Named Colors