HEX atlas value
#031B07
#031B07 is a cool green HEX color close to Carbon Black. According to Colors Encyclopedia, it converts to RGB 3, 27, 7, HSL 130, 80%, 6%, has luminance 0.0082, and belongs to the dark and jewel tone groups.
CSS
--color-031b07: #031B07;
.background-031b07 { background-color: #031B07; }
.text-031b07 { color: #031B07; }Machine-readable data
Machine-Readable HEX Data (JSON)
Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.
hexCanonical HEX valuergbRed, green, blue channelshslHue, saturation, lightnesscmykApproximate print conversionwcagAA and AAA contrast optionsharmoniesMathematical harmony setsvariantsGenerated tone variantsnearestColorsKnowledge graph neighborsStructured sections
Color systems
{"hex":"#031B07","rgb":[3,27,7],"hsl":[130,80,6],"cmyk":[89,0,74,89],"luminance":0.0082,"contrast":{"black":1.16,"white":18.04}}WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.16,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":18.04,"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":"#1C0317","hex":"#1C0317","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.07,"contrastWhite":19.55,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Carbon Black","hex":"#0C0C0C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.07,"contrastWhite":19.55,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#061809","hex":"#061809","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.14,"contrastWhite":18.39,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#031C13","hex":"#031C13","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.18,"contrastWhite":17.8,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]AI context
{"semanticGroups":["cool green","dark","jewel tone","dark green","jewel tone green","Carbon Black 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/031b07.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/carbon-black.json","https://www.colorsencyclopedia.com/api/colors/black.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json"]}Harmonies
{"complementary":"#1C0317","analogous":["#0B1C03","#031C13"],"triadic":["#07031C","#1C0703"],"tetradic":["#030B1C","#1C0317","#1C1303"],"splitComplementary":["#13031C","#1C030B"],"monochromatic":["#0C6E1D","#031B07","#000000"]}Variants
{"light":"#0C6E1D","dark":"#000000","saturated":"#001F05","desaturated":"#061809","pastel":"#1C822D","neon":"#00470C"}Nearest named colors
[{"slug":"carbon-black","name":"Carbon Black","hex":"#0C0C0C","distance":18.193405398660254},{"slug":"black","name":"Black","hex":"#000000","distance":28.053520278211074},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":29.8496231131986},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":32.66496594212215},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":44.339598554790726}]HEX meaning and use
About #031B07
#031B07 is classified as a cool green value with dark and jewel tone visual character. #031B07 is visually closest to Carbon Black, a named gray color with HEX #0C0C0C.
The RGB channels are 3, 27, and 7, with green carrying the strongest channel weight. In HSL, the hue is 130deg with 80% saturation and 6% 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 rich accent palettes. Its luminance is 0.0082, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.19, which helps separate this atlas value from adjacent named color records.
WCAG Accessibility
AA text options: #FFFFFF, #F5F5F5.
AAA text options: #FFFFFF, #F5F5F5.
Accessibility-Safe Pairings and Alternatives
Use these pairings when #031B07 needs readable text, badges, interface states, or nearby accessible alternatives.
Accessible Alternatives
#000000#1C0317#0C0C0C#061809#031C13Generated Palette
#031B07#1C0317#0B1C03#031C13#0C6E1D#000000Color Harmonies
#1C0317#0B1C03#031C13#07031C#1C0703Variants
#0C6E1D#000000#001F05#061809#1C822D#00470C