HEX atlas value

#0C3B1C

#0C3B1C is a cool green HEX color close to British Racing Green. According to Colors Encyclopedia, it converts to RGB 12, 59, 28, HSL 140, 66%, 14%, has luminance 0.0329, and belongs to the dark and jewel tone groups.

#0C3B1C Sample readable text
HEX #0C3B1C
RGB rgb(12, 59, 28)
HSL hsl(140 66% 14%)
CMYK cmyk(80, 0, 53, 77)
Luminance 0.0329
Contrast Black 1.66:1White 12.67:1

CSS

--color-0c3b1c: #0C3B1C;
.background-0c3b1c { background-color: #0C3B1C; }
.text-0c3b1c { color: #0C3B1C; }

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
Luminance0.0329
Black text1.66:1AA Fail
White text12.67:1AA 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":"#0C3B1C","rgb":[12,59,28],"hsl":[140,66,14],"cmyk":[80,0,53,77],"luminance":0.0329,"contrast":{"black":1.66,"white":12.67}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.66,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":12.67,"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":"Matte Black","hex":"#1A1A1A","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.21,"contrastWhite":17.41,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Carbon Fiber","hex":"#1C1C1C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.23,"contrastWhite":17.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#3B0C2C","hex":"#3B0C2C","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.27,"contrastWhite":16.48,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Raisin","hex":"#242124","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.32,"contrastWhite":15.93,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["cool green","dark","jewel tone","dark green","jewel tone green","British Racing Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","dark theme accents","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/0c3b1c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/british-racing-green.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json","https://www.colorsencyclopedia.com/api/colors/slate-black.json"]}
Harmonies
{"complementary":"#3B0C2C","analogous":["#143B0C","#0C3B33"],"triadic":["#1C0C3B","#3B1C0C"],"tetradic":["#0C143B","#3B0C2C","#3B330C"],"splitComplementary":["#330C3B","#3B0C14"],"monochromatic":["#1C8740","#0C3B1C","#000000"]}
Variants
{"light":"#1C8740","dark":"#000000","saturated":"#044319","desaturated":"#14331E","pastel":"#319653","neon":"#007025"}
Nearest named colors
[{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","distance":16.55294535724685},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":34.88552708502482},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":35.11409973215888},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":35.90264614203248},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":36.27671429443411}]

HEX meaning and use

About #0C3B1C

#0C3B1C is classified as a cool green value with dark and jewel tone visual character. #0C3B1C is visually closest to British Racing Green, a named green color with HEX #004225.

The RGB channels are 12, 59, and 28, with green carrying the strongest channel weight. In HSL, the hue is 140deg 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 rich accent palettes. Its luminance is 0.0329, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 16.55, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.66:1AA Fail
White text12.67:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #0C3B1C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.66:1 · Fail
White text#FFFFFF12.67:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Matte Black#FFFFFF text · best 17.41:1#1A1A1A
Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C
#3B0C2C#FFFFFF text · best 16.48:1#3B0C2C
Raisin#FFFFFF text · best 15.93:1#242124

Generated Palette

#0C3B1C#0C3B1C
#3B0C2C#3B0C2C
#143B0C#143B0C
#0C3B33#0C3B33
#1C8740#1C8740
Black#000000

Color Harmonies

#3B0C2C#3B0C2C
#143B0C#143B0C
#0C3B33#0C3B33
#1C0C3B#1C0C3B
#3B1C0C#3B1C0C

Variants

#1C8740#1C8740
Black#000000
#044319#044319
#14331E#14331E
#319653#319653
#007025#007025

Nearest Named Colors