HEX atlas value

#2F4F4F

#2F4F4F is a cool cyan HEX color nearest Dark Slate Gray. RGB 47, 79, 79, HSL 180° 25% 25%, luminance 0.0676; view contrast and conversions.

cyan cool muted

#2F4F4F Sample readable text

HEX #2F4F4F

RGB rgb(47, 79, 79)

HSL hsl(180 25% 25%)

CMYK cmyk(41, 0, 0, 69)

Luminance 0.0676

Contrast Black 2.35:1White 8.93:1

CSS

--color-2f4f4f: #2F4F4F;
.background-2f4f4f { background-color: #2F4F4F; }
.text-2f4f4f { color: #2F4F4F; }

HEX meaning and use

About #2F4F4F

#2F4F4F is classified as a cool cyan value with muted visual character. #2F4F4F is visually closest to Dark Slate Gray, a named cyan color with HEX #2F4F4F.

The RGB channels are 47, 79, and 79, with green carrying the strongest channel weight. In HSL, the hue is 180deg with 25% saturation and 25% lightness, so this page treats it as a low-saturation, dark atlas color rather than a generic swatch.

Practical uses for this HEX value include color conversion, WCAG contrast checks, CSS color tokens, and muted interface themes. Its luminance is 0.0676, 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 text2.35:1AA Fail

White text8.93:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #2F4F4F needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.35:1 · Fail

White text#FFFFFF8.93:1 · AAA

Accessible Alternatives

#0D1616#0D1616 · #FFFFFF text · best 18.36:1 #503030#503030 · #FFFFFF text · best 11.63:1 #304050#304050 · #FFFFFF text · best 10.64:1 #3E4242#3E4242 · #FFFFFF text · best 10.18:1 Charcoal#36454F · #FFFFFF text · best 9.9:1

Generated Palette

Dark Slate Grey#2F4F4F

#503030#503030

#305040#305040

#304050#304050

#528989#528989

#0D1616#0D1616

Color Harmonies

#503030#503030

#305040#305040

#304050#304050

#503050#503050

#505030#505030

Variants

#528989#528989

#0D1616#0D1616

#225E5E#225E5E

#3E4242#3E4242

#738C8C#738C8C

#00A8A8#00A8A8

Nearest Named Colors

Dark Slate Gray#2F4F4F

Dark Slate Grey#2F4F4F

Spruce#2E4F4F

Charcoal#36454F

Pine Needle#334D41

Luminance0.0676

Black text2.35:1AA Fail

White text8.93:1AA 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":"#2F4F4F","rgb":[47,79,79],"hsl":[180,25,25],"cmyk":[41,0,0,69],"luminance":0.0676,"contrast":{"black":2.35,"white":8.93}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":2.35,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":8.93,"wcagAA":true,"wcagAAA":true}]

Accessible alternatives

[{"name":"#0D1616","hex":"#0D1616","family":"cyan","bestTextColor":"#FFFFFF","contrastBlack":1.14,"contrastWhite":18.36,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#503030","hex":"#503030","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.81,"contrastWhite":11.63,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#304050","hex":"#304050","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.97,"contrastWhite":10.64,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#3E4242","hex":"#3E4242","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":2.06,"contrastWhite":10.18,"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"]}]

AI context

{"semanticGroups":["cool cyan","muted","muted cyan","Dark Slate Gray adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","muted interface themes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/2f4f4f.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/dark-slate-gray.json","https://www.colorsencyclopedia.com/api/colors/dark-slate-grey.json","https://www.colorsencyclopedia.com/api/colors/spruce.json"]}

Harmonies

{"complementary":"#503030","analogous":["#305040","#304050"],"triadic":["#503050","#505030"],"tetradic":["#403050","#503030","#405030"],"splitComplementary":["#503040","#504030"],"monochromatic":["#528989","#2F4F4F","#0D1616"]}

Variants

{"light":"#528989","dark":"#0D1616","saturated":"#225E5E","desaturated":"#3E4242","pastel":"#738C8C","neon":"#00A8A8"}

Nearest named colors

[{"slug":"dark-slate-gray","name":"Dark Slate Gray","hex":"#2F4F4F","distance":0},{"slug":"dark-slate-grey","name":"Dark Slate Grey","hex":"#2F4F4F","distance":0},{"slug":"spruce","name":"Spruce","hex":"#2E4F4F","distance":1},{"slug":"charcoal","name":"Charcoal","hex":"#36454F","distance":12.206555615733702},{"slug":"pine-needle","name":"Pine Needle","hex":"#334D41","distance":14.696938456699069}]

#2F4F4F

CSS

About #2F4F4F

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides