HEX atlas value

#2B2B2B

#2B2B2B is a neutral gray HEX color close to Asphalt. According to Colors Encyclopedia, it converts to RGB 43, 43, 43, HSL 0, 0%, 17%, has luminance 0.0242, and belongs to the dark group.

gray neutral dark

#2B2B2B Sample readable text

HEX #2B2B2B

RGB rgb(43, 43, 43)

HSL hsl(0 0% 17%)

CMYK cmyk(0, 0, 0, 83)

Luminance 0.0242

Contrast Black 1.48:1White 14.15:1

CSS

--color-2b2b2b: #2B2B2B;
.background-2b2b2b { background-color: #2B2B2B; }
.text-2b2b2b { color: #2B2B2B; }

Luminance0.0242

Black text1.48:1AA Fail

White text14.15:1AA 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

Structured sections

Color systems

{"hex":"#2B2B2B","rgb":[43,43,43],"hsl":[0,0,17],"cmyk":[0,0,0,83],"luminance":0.0242,"contrast":{"black":1.48,"white":14.15}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.48,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":14.15,"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":"Raisin","hex":"#242124","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.32,"contrastWhite":15.93,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#352222","hex":"#352222","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.4,"contrastWhite":14.96,"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":"Slate Black","hex":"#26282A","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.42,"contrastWhite":14.79,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["neutral gray","dark","dark gray","Asphalt adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","dark theme accents","neutral UI systems"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/2b2b2b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/asphalt.json","https://www.colorsencyclopedia.com/api/colors/slate-black.json","https://www.colorsencyclopedia.com/api/colors/rubber.json"]}

Harmonies

{"complementary":"#2B2B2B","analogous":["#2B2B2B","#2B2B2B"],"triadic":["#2B2B2B","#2B2B2B"],"tetradic":["#2B2B2B","#2B2B2B","#2B2B2B"],"splitComplementary":["#2B2B2B","#2B2B2B"],"monochromatic":["#595959","#2B2B2B","#000000"]}

Variants

{"light":"#595959","dark":"#000000","saturated":"#352222","desaturated":"#2B2B2B","pastel":"#6B6B6B","neon":"#800000"}

Nearest named colors

[{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":0},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":5.916079783099616},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":7.280109889280518},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":14.071247279470288},{"slug":"charcoal-blue","name":"Charcoal Blue","hex":"#263238","distance":15.588457268119896}]

HEX meaning and use

About #2B2B2B

#2B2B2B is classified as a neutral gray value with dark visual character. #2B2B2B is visually closest to Asphalt, a named gray color with HEX #2B2B2B.

The RGB channels are 43, 43, and 43, with red carrying the strongest channel weight. In HSL, the hue is 0deg with 0% saturation and 17% 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 dark theme accents. Its luminance is 0.0242, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.48:1AA Fail

White text14.15:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #2B2B2B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.48:1 · Fail

White text#FFFFFF14.15:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

Raisin#FFFFFF text · best 15.93:1#242124

#352222#FFFFFF text · best 14.96:1#352222

Rubber#FFFFFF text · best 14.83:1#2A2725

Slate Black#FFFFFF text · best 14.79:1#26282A

Generated Palette

Asphalt#2B2B2B

#595959#595959

Black#000000

Color Harmonies

Asphalt#2B2B2B

Variants

#595959#595959

Black#000000

#352222#352222

Asphalt#2B2B2B

#6B6B6B#6B6B6B

Maroon#800000

Nearest Named Colors

Asphalt#2B2B2B

Slate Black#26282A

Rubber#2A2725

Raisin#242124

Charcoal Blue#263238

#2B2B2B

CSS

Machine-Readable HEX Data (JSON)

About #2B2B2B

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides