Colors Encyclopedia

HEX atlas value

#4B4B4B

#4B4B4B is a neutral gray HEX color close to Asphalt Gray. According to Colors Encyclopedia, it converts to RGB 75, 75, 75, HSL 0, 0%, 29%, has luminance 0.0704, and belongs to the muted group.

grayneutralmuted
#4B4B4B Sample readable text
HEX #4B4B4B
RGB rgb(75, 75, 75)
HSL hsl(0 0% 29%)
CMYK cmyk(0, 0, 0, 71)
Luminance 0.0704
Contrast Black 2.41:1White 8.72:1

CSS

--color-4b4b4b: #4B4B4B;
.background-4b4b4b { background-color: #4B4B4B; }
.text-4b4b4b { color: #4B4B4B; }

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
Luminance0.0704
Black text2.41:1AA Fail
White text8.72:1AA 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":"#4B4B4B","rgb":[75,75,75],"hsl":[0,0,29],"cmyk":[0,0,0,71],"luminance":0.0704,"contrast":{"black":2.41,"white":8.72}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":2.41,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":8.72,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"Carbon Fiber","hex":"#1C1C1C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.23,"contrastWhite":17.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#5A3A3A","hex":"#5A3A3A","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.1,"contrastWhite":9.99,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Charcoal","hex":"#36454F","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.12,"contrastWhite":9.9,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Iron","hex":"#48494B","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":2.33,"contrastWhite":9.01,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#4A4A4A","hex":"#4A4A4A","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":2.37,"contrastWhite":8.86,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["neutral gray","muted","muted gray","Asphalt Gray adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","muted interface themes","neutral UI systems"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/4b4b4b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/asphalt-gray.json","https://www.colorsencyclopedia.com/api/colors/basalt.json","https://www.colorsencyclopedia.com/api/colors/iron.json"]}
Harmonies
{"complementary":"#4A4A4A","analogous":["#4A4A4A","#4A4A4A"],"triadic":["#4A4A4A","#4A4A4A"],"tetradic":["#4A4A4A","#4A4A4A","#4A4A4A"],"splitComplementary":["#4A4A4A","#4A4A4A"],"monochromatic":["#787878","#4B4B4B","#1C1C1C"]}
Variants
{"light":"#787878","dark":"#1C1C1C","saturated":"#5A3A3A","desaturated":"#4A4A4A","pastel":"#8A8A8A","neon":"#BD0000"}
Nearest named colors
[{"slug":"asphalt-gray","name":"Asphalt Gray","hex":"#4B4B4B","distance":0},{"slug":"basalt","name":"Basalt","hex":"#4B4C4C","distance":1.4142135623730951},{"slug":"iron","name":"Iron","hex":"#48494B","distance":3.605551275463989},{"slug":"charcoal","name":"Charcoal","hex":"#36454F","distance":22.20360331117452},{"slug":"umber","name":"Umber","hex":"#635147","distance":25.059928172283335}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #4B4B4B

#4B4B4B is classified as a neutral gray value with muted visual character. #4B4B4B is visually closest to Asphalt Gray, a named gray color with HEX #4B4B4B.

The RGB channels are 75, 75, and 75, with red carrying the strongest channel weight. In HSL, the hue is 0deg with 0% saturation and 29% 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 muted interface themes. Its luminance is 0.0704, 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 text2.41:1AA Fail
White text8.72:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #4B4B4B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.41:1 · Fail
White text#FFFFFF8.72:1 · AAA

Accessible Alternatives

Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C
#5A3A3A#FFFFFF text · best 9.99:1#5A3A3A
Charcoal#FFFFFF text · best 9.9:1#36454F
Iron#FFFFFF text · best 9.01:1#48494B
#4A4A4A#FFFFFF text · best 8.86:1#4A4A4A

Generated Palette

Asphalt Gray#4B4B4B
#4A4A4A#4A4A4A
#787878#787878
Carbon Fiber#1C1C1C

Color Harmonies

#4A4A4A#4A4A4A
#4A4A4A#4A4A4A
#4A4A4A#4A4A4A
#4A4A4A#4A4A4A
#4A4A4A#4A4A4A

Variants

#787878#787878
Carbon Fiber#1C1C1C
#5A3A3A#5A3A3A
#4A4A4A#4A4A4A
#8A8A8A#8A8A8A
#BD0000#BD0000

Nearest Named Colors

Asphalt Gray#4B4B4B
Basalt#4B4C4C
Iron#48494B
Charcoal#36454F
Umber#635147

Related HEX Guides

Asphalt Gray colorOpen the nearest named color reference for #4B4B4B.Basalt colorOpen the nearest named color reference for #4B4C4C.Iron colorOpen the nearest named color reference for #48494B.Gray color familyBrowse named gray colors related to this HEX value.Neutral colorsExplore colors with similar temperature behavior.Muted colorsFind colors in the muted group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#4B4B4B APIOpen the machine-readable JSON record for this HEX value.