Colors Encyclopedia

HEX atlas value

#1C1C1C

#1C1C1C is a neutral gray HEX color close to Carbon Fiber. According to Colors Encyclopedia, it converts to RGB 28, 28, 28, HSL 0, 0%, 11%, has luminance 0.0116, and belongs to the dark group.

grayneutraldark
#1C1C1C Sample readable text
HEX #1C1C1C
RGB rgb(28, 28, 28)
HSL hsl(0 0% 11%)
CMYK cmyk(0, 0, 0, 89)
Luminance 0.0116
Contrast Black 1.23:1White 17.05:1

CSS

--color-1c1c1c: #1C1C1C;
.background-1c1c1c { background-color: #1C1C1C; }
.text-1c1c1c { color: #1C1C1C; }

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
Luminance0.0116
Black text1.23:1AA Fail
White text17.05:1AA 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":"#1C1C1C","rgb":[28,28,28],"hsl":[0,0,11],"cmyk":[0,0,0,89],"luminance":0.0116,"contrast":{"black":1.23,"white":17.05}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.23,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":17.05,"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":"#221616","hex":"#221616","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.19,"contrastWhite":17.59,"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":"Raisin","hex":"#242124","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.32,"contrastWhite":15.93,"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"]}]
AI context
{"semanticGroups":["neutral gray","dark","dark gray","Carbon Fiber 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/1c1c1c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json","https://www.colorsencyclopedia.com/api/colors/raisin.json"]}
Harmonies
{"complementary":"#1C1C1C","analogous":["#1C1C1C","#1C1C1C"],"triadic":["#1C1C1C","#1C1C1C"],"tetradic":["#1C1C1C","#1C1C1C","#1C1C1C"],"splitComplementary":["#1C1C1C","#1C1C1C"],"monochromatic":["#4A4A4A","#1C1C1C","#000000"]}
Variants
{"light":"#4A4A4A","dark":"#000000","saturated":"#221616","desaturated":"#1C1C1C","pastel":"#5C5C5C","neon":"#610000"}
Nearest named colors
[{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":0},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":3.4641016151377544},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":12.36931687685298},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":19.949937343260004},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":20.97617696340303}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #1C1C1C

#1C1C1C is classified as a neutral gray value with dark visual character. #1C1C1C is visually closest to Carbon Fiber, a named gray color with HEX #1C1C1C.

The RGB channels are 28, 28, and 28, with red carrying the strongest channel weight. In HSL, the hue is 0deg with 0% saturation and 11% 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 0.0116, 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 text1.23:1AA Fail
White text17.05:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #1C1C1C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.23:1 · Fail
White text#FFFFFF17.05:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
#221616#FFFFFF text · best 17.59:1#221616
Matte Black#FFFFFF text · best 17.41:1#1A1A1A
Raisin#FFFFFF text · best 15.93:1#242124
Rubber#FFFFFF text · best 14.83:1#2A2725

Generated Palette

Carbon Fiber#1C1C1C
#4A4A4A#4A4A4A
Black#000000

Color Harmonies

Carbon Fiber#1C1C1C
Carbon Fiber#1C1C1C
Carbon Fiber#1C1C1C
Carbon Fiber#1C1C1C
Carbon Fiber#1C1C1C

Variants

#4A4A4A#4A4A4A
Black#000000
#221616#221616
Carbon Fiber#1C1C1C
#5C5C5C#5C5C5C
#610000#610000

Nearest Named Colors

Carbon Fiber#1C1C1C
Matte Black#1A1A1A
Raisin#242124
Rubber#2A2725
Slate Black#26282A

Related HEX Guides

Carbon Fiber colorOpen the nearest named color reference for #1C1C1C.Matte Black colorOpen the nearest named color reference for #1A1A1A.Raisin colorOpen the nearest named color reference for #242124.Gray color familyBrowse named gray colors related to this HEX value.Neutral colorsExplore colors with similar temperature behavior.Dark colorsFind colors in the dark 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.#1C1C1C APIOpen the machine-readable JSON record for this HEX value.