Colors Encyclopedia

HEX atlas value

#211B12

#211B12 is a warm orange HEX color close to Matte Black. According to Colors Encyclopedia, it converts to RGB 33, 27, 18, HSL 36, 29%, 10%, has luminance 0.0115, and belongs to the dark and earth tone groups.

orangewarmdarkearth-tone
#211B12 Sample readable text
HEX #211B12
RGB rgb(33, 27, 18)
HSL hsl(36 29% 10%)
CMYK cmyk(0, 18, 45, 87)
Luminance 0.0115
Contrast Black 1.23:1White 17.07:1

CSS

--color-211b12: #211B12;
.background-211b12 { background-color: #211B12; }
.text-211b12 { color: #211B12; }

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
Luminance0.0115
Black text1.23:1AA Fail
White text17.07:1AA 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":"#211B12","rgb":[33,27,18],"hsl":[36,29,10],"cmyk":[0,18,45,87],"luminance":0.0115,"contrast":{"black":1.23,"white":17.07}}
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":17.07,"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 Black","hex":"#0C0C0C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.07,"contrastWhite":19.55,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#211412","hex":"#211412","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.17,"contrastWhite":17.89,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#121821","hex":"#121821","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.18,"contrastWhite":17.83,"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"]}]
AI context
{"semanticGroups":["warm orange","dark","earth tone","dark orange","earth tone orange","Matte Black 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/211b12.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json","https://www.colorsencyclopedia.com/api/colors/raisin.json"]}
Harmonies
{"complementary":"#121821","analogous":["#211412","#1F2112"],"triadic":["#12211B","#1B1221"],"tetradic":["#122114","#121821","#21121F"],"splitComplementary":["#121F21","#141221"],"monochromatic":["#5C4C33","#211B12","#000000"]}
Variants
{"light":"#5C4C33","dark":"#000000","saturated":"#271C0C","desaturated":"#1B1A18","pastel":"#665C4D","neon":"#5C3700"}
Nearest named colors
[{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":10.677078252031311},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":11.224972160321824},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":19.209372712298546},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":24.20743687382041},{"slug":"carbon-black","name":"Carbon Black","hex":"#0C0C0C","distance":26.49528259898354}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #211B12

#211B12 is classified as a warm orange value with dark and earth tone visual character. #211B12 is visually closest to Matte Black, a named gray color with HEX #1A1A1A.

The RGB channels are 33, 27, and 18, with red carrying the strongest channel weight. In HSL, the hue is 36deg with 29% saturation and 10% 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 natural palettes. Its luminance is 0.0115, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 10.68, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.23:1AA Fail
White text17.07:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #211B12 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.23:1 · Fail
White text#FFFFFF17.07:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Carbon Black#FFFFFF text · best 19.55:1#0C0C0C
#211412#FFFFFF text · best 17.89:1#211412
#121821#FFFFFF text · best 17.83:1#121821
Matte Black#FFFFFF text · best 17.41:1#1A1A1A

Generated Palette

#211B12#211B12
#121821#121821
#211412#211412
#1F2112#1F2112
#5C4C33#5C4C33
Black#000000

Color Harmonies

#121821#121821
#211412#211412
#1F2112#1F2112
#12211B#12211B
#1B1221#1B1221

Variants

#5C4C33#5C4C33
Black#000000
#271C0C#271C0C
#1B1A18#1B1A18
#665C4D#665C4D
#5C3700#5C3700

Nearest Named Colors

Matte Black#1A1A1A
Carbon Fiber#1C1C1C
Raisin#242124
Rubber#2A2725
Carbon Black#0C0C0C

Related HEX Guides

Matte Black colorOpen the nearest named color reference for #1A1A1A.Carbon Fiber colorOpen the nearest named color reference for #1C1C1C.Raisin colorOpen the nearest named color reference for #242124.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.#211B12 APIOpen the machine-readable JSON record for this HEX value.