Colors Encyclopedia

HEX atlas value

#371B10

#371B10 is a warm orange HEX color close to Rubber. According to Colors Encyclopedia, it converts to RGB 55, 27, 16, HSL 17, 55%, 14%, has luminance 0.0163, and belongs to the dark and earth tone groups.

orangewarmdarkearth-tone
#371B10 Sample readable text
HEX #371B10
RGB rgb(55, 27, 16)
HSL hsl(17 55% 14%)
CMYK cmyk(0, 51, 71, 78)
Luminance 0.0163
Contrast Black 1.33:1White 15.84:1

CSS

--color-371b10: #371B10;
.background-371b10 { background-color: #371B10; }
.text-371b10 { color: #371B10; }

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
Luminance0.0163
Black text1.33:1AA Fail
White text15.84:1AA 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":"#371B10","rgb":[55,27,16],"hsl":[17,55,14],"cmyk":[0,51,71,78],"luminance":0.0163,"contrast":{"black":1.33,"white":15.84}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.33,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":15.84,"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":"Matte Black","hex":"#1A1A1A","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.21,"contrastWhite":17.41,"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":"#371019","hex":"#371019","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.25,"contrastWhite":16.8,"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"]}]
AI context
{"semanticGroups":["warm orange","dark","earth tone","dark orange","earth tone orange","Rubber adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","dark theme accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/371b10.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/rubber.json","https://www.colorsencyclopedia.com/api/colors/raisin.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json"]}
Harmonies
{"complementary":"#102C37","analogous":["#371019","#372F10"],"triadic":["#10371B","#1B1037"],"tetradic":["#193710","#102C37","#2F1037"],"splitComplementary":["#10372F","#101937"],"monochromatic":["#7E3E25","#371B10","#000000"]}
Variants
{"light":"#7E3E25","dark":"#000000","saturated":"#3F1808","desaturated":"#2F1F18","pastel":"#8B523C","neon":"#702000"}
Nearest named colors
[{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":27.459060435491963},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":28.231188426986208},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":29.563490998188964},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":30.692018506445613},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":33.60059523282288}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #371B10

#371B10 is classified as a warm orange value with dark and earth tone visual character. #371B10 is visually closest to Rubber, a named gray color with HEX #2A2725.

The RGB channels are 55, 27, and 16, with red carrying the strongest channel weight. In HSL, the hue is 17deg with 55% 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 0.0163, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 27.46, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.33:1AA Fail
White text15.84:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #371B10 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.33:1 · Fail
White text#FFFFFF15.84:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Matte Black#FFFFFF text · best 17.41:1#1A1A1A
Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C
#371019#FFFFFF text · best 16.8:1#371019
Raisin#FFFFFF text · best 15.93:1#242124

Generated Palette

#371B10#371B10
#102C37#102C37
#371019#371019
#372F10#372F10
#7E3E25#7E3E25
Black#000000

Color Harmonies

#102C37#102C37
#371019#371019
#372F10#372F10
#10371B#10371B
#1B1037#1B1037

Variants

#7E3E25#7E3E25
Black#000000
#3F1808#3F1808
#2F1F18#2F1F18
#8B523C#8B523C
#702000#702000

Nearest Named Colors

Rubber#2A2725
Raisin#242124
Carbon Fiber#1C1C1C
Matte Black#1A1A1A
Asphalt#2B2B2B

Related HEX Guides

Rubber colorOpen the nearest named color reference for #2A2725.Raisin colorOpen the nearest named color reference for #242124.Carbon Fiber colorOpen the nearest named color reference for #1C1C1C.Orange color familyBrowse named orange 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.#371B10 APIOpen the machine-readable JSON record for this HEX value.