Colors Encyclopedia

HEX atlas value

#3B2F2F

#3B2F2F is a warm red HEX color close to Peat. According to Colors Encyclopedia, it converts to RGB 59, 47, 47, HSL 0, 11%, 21%, has luminance 0.0317, and belongs to the dark group.

redwarmdark
#3B2F2F Sample readable text
HEX #3B2F2F
RGB rgb(59, 47, 47)
HSL hsl(0 11% 21%)
CMYK cmyk(0, 20, 20, 77)
Luminance 0.0317
Contrast Black 1.63:1White 12.85:1

CSS

--color-3b2f2f: #3B2F2F;
.background-3b2f2f { background-color: #3B2F2F; }
.text-3b2f2f { color: #3B2F2F; }

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
Luminance0.0317
Black text1.63:1AA Fail
White text12.85:1AA 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":"#3B2F2F","rgb":[59,47,47],"hsl":[0,11,21],"cmyk":[0,20,20,77],"luminance":0.0317,"contrast":{"black":1.63,"white":12.85}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.63,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":12.85,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"#080707","hex":"#080707","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.04,"contrastWhite":20.11,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Asphalt","hex":"#2B2B2B","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.48,"contrastWhite":14.15,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#472424","hex":"#472424","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.55,"contrastWhite":13.58,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#3B3036","hex":"#3B3036","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.66,"contrastWhite":12.64,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Jet","hex":"#343434","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.69,"contrastWhite":12.46,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm red","dark","dark red","Peat adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","dark theme accents","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/3b2f2f.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/peat.json","https://www.colorsencyclopedia.com/api/colors/jet.json","https://www.colorsencyclopedia.com/api/colors/graphite.json"]}
Harmonies
{"complementary":"#303B3B","analogous":["#3B3036","#3B3630"],"triadic":["#303B30","#30303B"],"tetradic":["#363B30","#303B3B","#36303B"],"splitComplementary":["#303B36","#30363B"],"monochromatic":["#6E5959","#3B2F2F","#080707"]}
Variants
{"light":"#6E5959","dark":"#080707","saturated":"#472424","desaturated":"#363636","pastel":"#757575","neon":"#940000"}
Nearest named colors
[{"slug":"peat","name":"Peat","hex":"#3B2F2F","distance":0},{"slug":"jet","name":"Jet","hex":"#343434","distance":9.9498743710662},{"slug":"graphite","name":"Graphite","hex":"#383838","distance":13.076696830622021},{"slug":"onyx","name":"Onyx","hex":"#353839","distance":14.730919862656235},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":16.97056274847714}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #3B2F2F

#3B2F2F is classified as a warm red value with dark visual character. #3B2F2F is visually closest to Peat, a named red color with HEX #3B2F2F.

The RGB channels are 59, 47, and 47, with red carrying the strongest channel weight. In HSL, the hue is 0deg with 11% saturation and 21% 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 0.0317, 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 text1.63:1AA Fail
White text12.85:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #3B2F2F needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.63:1 · Fail
White text#FFFFFF12.85:1 · AAA

Accessible Alternatives

#080707#FFFFFF text · best 20.11:1#080707
Asphalt#FFFFFF text · best 14.15:1#2B2B2B
#472424#FFFFFF text · best 13.58:1#472424
#3B3036#FFFFFF text · best 12.64:1#3B3036
Jet#FFFFFF text · best 12.46:1#343434

Generated Palette

Peat#3B2F2F
#303B3B#303B3B
#3B3036#3B3036
#3B3630#3B3630
#6E5959#6E5959
#080707#080707

Color Harmonies

#303B3B#303B3B
#3B3036#3B3036
#3B3630#3B3630
#303B30#303B30
#30303B#30303B

Variants

#6E5959#6E5959
#080707#080707
#472424#472424
#363636#363636
#757575#757575
#940000#940000

Nearest Named Colors

Peat#3B2F2F
Jet#343434
Graphite#383838
Onyx#353839
Asphalt#2B2B2B

Related HEX Guides

Peat colorOpen the nearest named color reference for #3B2F2F.Jet colorOpen the nearest named color reference for #343434.Graphite colorOpen the nearest named color reference for #383838.Red color familyBrowse named red colors related to this HEX value.Warm 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.#3B2F2F APIOpen the machine-readable JSON record for this HEX value.