HEX atlas value

#373B0C

#373B0C is a warm yellow HEX color close to Espresso. According to Colors Encyclopedia, it converts to RGB 55, 59, 12, HSL 65, 66%, 14%, has luminance 0.0397, and belongs to the dark group.

#373B0C Sample readable text
HEX #373B0C
RGB rgb(55, 59, 12)
HSL hsl(65 66% 14%)
CMYK cmyk(7, 0, 80, 77)
Luminance 0.0397
Contrast Black 1.79:1White 11.71:1

CSS

--color-373b0c: #373B0C;
.background-373b0c { background-color: #373B0C; }
.text-373b0c { color: #373B0C; }

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
Luminance0.0397
Black text1.79:1AA Fail
White text11.71:1AA 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":"#373B0C","rgb":[55,59,12],"hsl":[65,66,14],"cmyk":[7,0,80,77],"luminance":0.0397,"contrast":{"black":1.79,"white":11.71}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.79,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":11.71,"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":"#100C3B","hex":"#100C3B","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.14,"contrastWhite":18.45,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Rubber","hex":"#2A2725","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.42,"contrastWhite":14.83,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Asphalt","hex":"#2B2B2B","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.48,"contrastWhite":14.15,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#3B280C","hex":"#3B280C","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.49,"contrastWhite":14.06,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm yellow","dark","dark yellow","Espresso adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","dark theme accents","highlight and warning systems"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/373b0c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/espresso.json","https://www.colorsencyclopedia.com/api/colors/pine-bark.json","https://www.colorsencyclopedia.com/api/colors/rubber.json"]}
Harmonies
{"complementary":"#100C3B","analogous":["#3B280C","#203B0C"],"triadic":["#0C373B","#3B0C37"],"tetradic":["#0C3B28","#100C3B","#3B0C20"],"splitComplementary":["#0C203B","#280C3B"],"monochromatic":["#7E871C","#373B0C","#000000"]}
Variants
{"light":"#7E871C","dark":"#000000","saturated":"#3E4304","desaturated":"#313314","pastel":"#8E9631","neon":"#677000"}
Nearest named colors
[{"slug":"espresso","name":"Espresso","hex":"#4B3621","distance":29.427877939124322},{"slug":"pine-bark","name":"Pine Bark","hex":"#4A3728","distance":34.07345007480164},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":34.55430508634199},{"slug":"terre-verte","name":"Terre Verte","hex":"#385E0F","distance":35.14256678161116},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":36.89173349139343}]

HEX meaning and use

About #373B0C

#373B0C is classified as a warm yellow value with dark visual character. #373B0C is visually closest to Espresso, a named orange color with HEX #4B3621.

The RGB channels are 55, 59, and 12, with green carrying the strongest channel weight. In HSL, the hue is 65deg with 66% saturation and 14% lightness, so this page treats it as a moderate-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 0.0397, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 29.43, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.79:1AA Fail
White text11.71:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #373B0C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.79:1 · Fail
White text#FFFFFF11.71:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
#100C3B#FFFFFF text · best 18.45:1#100C3B
Rubber#FFFFFF text · best 14.83:1#2A2725
Asphalt#FFFFFF text · best 14.15:1#2B2B2B
#3B280C#FFFFFF text · best 14.06:1#3B280C

Generated Palette

#373B0C#373B0C
#100C3B#100C3B
#3B280C#3B280C
#203B0C#203B0C
#7E871C#7E871C
Black#000000

Color Harmonies

#100C3B#100C3B
#3B280C#3B280C
#203B0C#203B0C
#0C373B#0C373B
#3B0C37#3B0C37

Variants

#7E871C#7E871C
Black#000000
#3E4304#3E4304
#313314#313314
#8E9631#8E9631
#677000#677000

Nearest Named Colors