Colors Encyclopedia

HEX atlas value

#312B17

#312B17 is a warm yellow HEX color close to Rubber. According to Colors Encyclopedia, it converts to RGB 49, 43, 23, HSL 46, 36%, 14%, has luminance 0.0244, and belongs to the dark and earth tone groups.

yellowwarmdarkearth-tone
#312B17 Sample readable text
HEX #312B17
RGB rgb(49, 43, 23)
HSL hsl(46 36% 14%)
CMYK cmyk(0, 12, 53, 81)
Luminance 0.0244
Contrast Black 1.49:1White 14.11:1

CSS

--color-312b17: #312B17;
.background-312b17 { background-color: #312B17; }
.text-312b17 { color: #312B17; }

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
Luminance0.0244
Black text1.49:1AA Fail
White text14.11:1AA 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":"#312B17","rgb":[49,43,23],"hsl":[46,36,14],"cmyk":[0,12,53,81],"luminance":0.0244,"contrast":{"black":1.49,"white":14.11}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.49,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":14.11,"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":"Carbon Fiber","hex":"#1C1C1C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.23,"contrastWhite":17.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#171D31","hex":"#171D31","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.26,"contrastWhite":16.72,"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":"#311E17","hex":"#311E17","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.33,"contrastWhite":15.81,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm yellow","dark","earth tone","dark yellow","earth tone yellow","Rubber adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","dark theme accents","highlight and warning systems"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/312b17.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/rubber.json","https://www.colorsencyclopedia.com/api/colors/asphalt.json","https://www.colorsencyclopedia.com/api/colors/raisin.json"]}
Harmonies
{"complementary":"#171D31","analogous":["#311E17","#2A3117"],"triadic":["#17312B","#2B1731"],"tetradic":["#17311E","#171D31","#31172A"],"splitComplementary":["#172A31","#1E1731"],"monochromatic":["#6F6134","#312B17","#000000"]}
Variants
{"light":"#6F6134","dark":"#000000","saturated":"#382F0F","desaturated":"#29261F","pastel":"#786F4F","neon":"#705600"}
Nearest named colors
[{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":16.15549442140351},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":20.8806130178211},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":20.92844953645635},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":22.15851980616034},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":26.28687885618983}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #312B17

#312B17 is classified as a warm yellow value with dark and earth tone visual character. #312B17 is visually closest to Rubber, a named gray color with HEX #2A2725.

The RGB channels are 49, 43, and 23, with red carrying the strongest channel weight. In HSL, the hue is 46deg with 36% saturation and 14% lightness, so this page treats it as a moderate-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 natural palettes. Its luminance is 0.0244, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 16.16, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.49:1AA Fail
White text14.11:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #312B17 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.49:1 · Fail
White text#FFFFFF14.11:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C
#171D31#FFFFFF text · best 16.72:1#171D31
Raisin#FFFFFF text · best 15.93:1#242124
#311E17#FFFFFF text · best 15.81:1#311E17

Generated Palette

#312B17#312B17
#171D31#171D31
#311E17#311E17
#2A3117#2A3117
#6F6134#6F6134
Black#000000

Color Harmonies

#171D31#171D31
#311E17#311E17
#2A3117#2A3117
#17312B#17312B
#2B1731#2B1731

Variants

#6F6134#6F6134
Black#000000
#382F0F#382F0F
#29261F#29261F
#786F4F#786F4F
#705600#705600

Nearest Named Colors

Rubber#2A2725
Asphalt#2B2B2B
Raisin#242124
Slate Black#26282A
Carbon Fiber#1C1C1C

Related HEX Guides

Rubber colorOpen the nearest named color reference for #2A2725.Asphalt colorOpen the nearest named color reference for #2B2B2B.Raisin colorOpen the nearest named color reference for #242124.Yellow color familyBrowse named yellow colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Dark colorsFind colors in the dark group.Earth Tone colorsFind colors in the earth tone 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.#312B17 APIOpen the machine-readable JSON record for this HEX value.