HEX atlas value

#1E1B15

#1E1B15 is a warm orange HEX color close to Matte Black. According to Colors Encyclopedia, it converts to RGB 30, 27, 21, HSL 40, 18%, 10%, has luminance 0.0111, and belongs to the dark and earth tone groups.

#1E1B15 Sample readable text
HEX #1E1B15
RGB rgb(30, 27, 21)
HSL hsl(40 18% 10%)
CMYK cmyk(0, 10, 30, 88)
Luminance 0.0111
Contrast Black 1.22:1White 17.18:1

CSS

--color-1e1b15: #1E1B15;
.background-1e1b15 { background-color: #1E1B15; }
.text-1e1b15 { color: #1E1B15; }

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
Luminance0.0111
Black text1.22:1AA Fail
White text17.18:1AA 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":"#1E1B15","rgb":[30,27,21],"hsl":[40,18,10],"cmyk":[0,10,30,88],"luminance":0.0111,"contrast":{"black":1.22,"white":17.18}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.22,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":17.18,"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":"#1E1615","hex":"#1E1615","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.18,"contrastWhite":17.8,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#15181E","hex":"#15181E","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.18,"contrastWhite":17.77,"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/1e1b15.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":"#15181E","analogous":["#1E1615","#1D1E15"],"triadic":["#151E1B","#1B151E"],"tetradic":["#151E16","#15181E","#1E151D"],"splitComplementary":["#151D1E","#16151E"],"monochromatic":["#544C3B","#1E1B15","#000000"]}
Variants
{"light":"#544C3B","dark":"#000000","saturated":"#241D0F","desaturated":"#1A1A1A","pastel":"#5C5A57","neon":"#5C3D00"}
Nearest named colors
[{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":6.48074069840786},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":7.3484692283495345},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":17.233687939614086},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":23.323807579381203},{"slug":"carbon-black","name":"Carbon Black","hex":"#0C0C0C","distance":25.099800796022265}]

HEX meaning and use

About #1E1B15

#1E1B15 is classified as a warm orange value with dark and earth tone visual character. #1E1B15 is visually closest to Matte Black, a named gray color with HEX #1A1A1A.

The RGB channels are 30, 27, and 21, with red carrying the strongest channel weight. In HSL, the hue is 40deg with 18% 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 0.0111, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 6.48, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.22:1AA Fail
White text17.18:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #1E1B15 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.22:1 · Fail
White text#FFFFFF17.18:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Carbon Black#FFFFFF text · best 19.55:1#0C0C0C
#1E1615#FFFFFF text · best 17.8:1#1E1615
#15181E#FFFFFF text · best 17.77:1#15181E
Matte Black#FFFFFF text · best 17.41:1#1A1A1A

Generated Palette

#1E1B15#1E1B15
#15181E#15181E
#1E1615#1E1615
#1D1E15#1D1E15
#544C3B#544C3B
Black#000000

Color Harmonies

#15181E#15181E
#1E1615#1E1615
#1D1E15#1D1E15
#151E1B#151E1B
#1B151E#1B151E

Variants

#544C3B#544C3B
Black#000000
#241D0F#241D0F
Matte Black#1A1A1A
#5C5A57#5C5A57
#5C3D00#5C3D00

Nearest Named Colors