HEX atlas value

#673B09

#673B09 is a warm orange HEX color close to Sepia. According to Colors Encyclopedia, it converts to RGB 103, 59, 9, HSL 32, 84%, 22%, has luminance 0.0603, and belongs to the dark group.

#673B09 Sample readable text
HEX #673B09
RGB rgb(103, 59, 9)
HSL hsl(32 84% 22%)
CMYK cmyk(0, 43, 91, 60)
Luminance 0.0603
Contrast Black 2.21:1White 9.52:1

CSS

--color-673b09: #673B09;
.background-673b09 { background-color: #673B09; }
.text-673b09 { color: #673B09; }

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
Luminance0.0603
Black text2.21:1AA Fail
White text9.52:1AA 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":"#673B09","rgb":[103,59,9],"hsl":[32,84,22],"cmyk":[0,43,91,60],"luminance":0.0603,"contrast":{"black":2.21,"white":9.52}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":2.21,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":9.52,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"#130B02","hex":"#130B02","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.08,"contrastWhite":19.52,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#670C09","hex":"#670C09","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.63,"contrastWhite":12.85,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#093567","hex":"#093567","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.72,"contrastWhite":12.24,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Espresso","hex":"#4B3621","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.85,"contrastWhite":11.36,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Garnet Red","hex":"#6E1F26","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.89,"contrastWhite":11.13,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm orange","dark","dark orange","Sepia adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","dark theme accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/673b09.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/sepia.json","https://www.colorsencyclopedia.com/api/colors/bark.json","https://www.colorsencyclopedia.com/api/colors/espresso.json"]}
Harmonies
{"complementary":"#093567","analogous":["#670C09","#646709"],"triadic":["#09673B","#3B0967"],"tetradic":["#09670C","#093567","#670964"],"splitComplementary":["#096467","#0C0967"],"monochromatic":["#BC6C10","#673B09","#130B02"]}
Variants
{"light":"#BC6C10","dark":"#130B02","saturated":"#703C00","desaturated":"#5B3A15","pastel":"#CB7D25","neon":"#995200"}
Nearest named colors
[{"slug":"sepia","name":"Sepia","hex":"#704214","distance":15.84297951775486},{"slug":"bark","name":"Bark","hex":"#5B3A29","distance":34.19064199455752},{"slug":"espresso","name":"Espresso","hex":"#4B3621","distance":37.21558813185679},{"slug":"saddle-brown","name":"Saddle Brown","hex":"#8B4513","distance":38.67815921162743},{"slug":"garnet-red","name":"Garnet Red","hex":"#6E1F26","distance":40.91454509095757}]

HEX meaning and use

About #673B09

#673B09 is classified as a warm orange value with dark visual character. #673B09 is visually closest to Sepia, a named orange color with HEX #704214.

The RGB channels are 103, 59, and 9, with red carrying the strongest channel weight. In HSL, the hue is 32deg with 84% saturation and 22% lightness, so this page treats it as a high-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 0.0603, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 15.84, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text2.21:1AA Fail
White text9.52:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #673B09 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.21:1 · Fail
White text#FFFFFF9.52:1 · AAA

Accessible Alternatives

#130B02#FFFFFF text · best 19.52:1#130B02
#670C09#FFFFFF text · best 12.85:1#670C09
#093567#FFFFFF text · best 12.24:1#093567
Espresso#FFFFFF text · best 11.36:1#4B3621
Garnet Red#FFFFFF text · best 11.13:1#6E1F26

Generated Palette

#673B09#673B09
#093567#093567
#670C09#670C09
#646709#646709
#BC6C10#BC6C10
#130B02#130B02

Color Harmonies

#093567#093567
#670C09#670C09
#646709#646709
#09673B#09673B
#3B0967#3B0967

Variants

#BC6C10#BC6C10
#130B02#130B02
#703C00#703C00
#5B3A15#5B3A15
#CB7D25#CB7D25
#995200#995200

Nearest Named Colors