HEX atlas value

#282A1D

#282A1D is a warm yellow HEX color close to Rubber. According to Colors Encyclopedia, it converts to RGB 40, 42, 29, HSL 69, 18%, 14%, has luminance 0.022, and belongs to the dark and earth tone groups.

#282A1D Sample readable text
HEX #282A1D
RGB rgb(40, 42, 29)
HSL hsl(69 18% 14%)
CMYK cmyk(5, 0, 31, 84)
Luminance 0.022
Contrast Black 1.44:1White 14.58:1

CSS

--color-282a1d: #282A1D;
.background-282a1d { background-color: #282A1D; }
.text-282a1d { color: #282A1D; }

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
Luminance0.022
Black text1.44:1AA Fail
White text14.58:1AA 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":"#282A1D","rgb":[40,42,29],"hsl":[69,18,14],"cmyk":[5,0,31,84],"luminance":0.022,"contrast":{"black":1.44,"white":14.58}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.44,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":14.58,"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":"Carbon Fiber","hex":"#1C1C1C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.23,"contrastWhite":17.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#1F1D2A","hex":"#1F1D2A","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.27,"contrastWhite":16.56,"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"]},{"name":"#242424","hex":"#242424","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.35,"contrastWhite":15.53,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm yellow","dark","earth tone","dark yellow","earth tone yellow","Rubber adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","dark theme accents","highlight and warning systems"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/282a1d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/rubber.json","https://www.colorsencyclopedia.com/api/colors/raisin.json","https://www.colorsencyclopedia.com/api/colors/slate-black.json"]}
Harmonies
{"complementary":"#1F1D2A","analogous":["#2A261D","#222A1D"],"triadic":["#1D282A","#2A1D28"],"tetradic":["#1D2A26","#1F1D2A","#2A1D22"],"splitComplementary":["#1D222A","#261D2A"],"monochromatic":["#5C6043","#282A1D","#000000"]}
Variants
{"light":"#5C6043","dark":"#000000","saturated":"#2E3215","desaturated":"#242424","pastel":"#666660","neon":"#5F7000"}
Nearest named colors
[{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":8.774964387392123},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":12.083045973594572},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":13.30413469565007},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":14.352700094407323},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":18.466185312619388}]

HEX meaning and use

About #282A1D

#282A1D is classified as a warm yellow value with dark and earth tone visual character. #282A1D is visually closest to Rubber, a named gray color with HEX #2A2725.

The RGB channels are 40, 42, and 29, with green carrying the strongest channel weight. In HSL, the hue is 69deg with 18% saturation and 14% lightness, so this page treats it as a low-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 natural palettes. Its luminance is 0.022, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 8.77, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.44:1AA Fail
White text14.58:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #282A1D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.44:1 · Fail
White text#FFFFFF14.58:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C
#1F1D2A#FFFFFF text · best 16.56:1#1F1D2A
Raisin#FFFFFF text · best 15.93:1#242124
#242424#FFFFFF text · best 15.53:1#242424

Generated Palette

#282A1D#282A1D
#1F1D2A#1F1D2A
#2A261D#2A261D
#222A1D#222A1D
#5C6043#5C6043
Black#000000

Color Harmonies

#1F1D2A#1F1D2A
#2A261D#2A261D
#222A1D#222A1D
#1D282A#1D282A
#2A1D28#2A1D28

Variants

#5C6043#5C6043
Black#000000
#2E3215#2E3215
#242424#242424
#666660#666660
#5F7000#5F7000

Nearest Named Colors