HEX atlas value

#644B0C

#644B0C is a warm orange HEX color close to Sepia. According to Colors Encyclopedia, it converts to RGB 100, 75, 12, HSL 43, 79%, 22%, has luminance 0.0777, and belongs to the dark group.

orange warm dark

#644B0C Sample readable text

HEX #644B0C

RGB rgb(100, 75, 12)

HSL hsl(43 79% 22%)

CMYK cmyk(0, 25, 88, 61)

Luminance 0.0777

Contrast Black 2.55:1White 8.22:1

CSS

--color-644b0c: #644B0C;
.background-644b0c { background-color: #644B0C; }
.text-644b0c { color: #644B0C; }

Luminance0.0777

Black text2.55:1AA Fail

White text8.22:1AA 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

Structured sections

Color systems

{"hex":"#644B0C","rgb":[100,75,12],"hsl":[43,79,22],"cmyk":[0,25,88,61],"luminance":0.0777,"contrast":{"black":2.55,"white":8.22}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":2.55,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":8.22,"wcagAA":true,"wcagAAA":true}]

Accessible alternatives

[{"name":"#120E02","hex":"#120E02","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":1.09,"contrastWhite":19.27,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#0C2564","hex":"#0C2564","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.46,"contrastWhite":14.34,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#641F0C","hex":"#641F0C","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.74,"contrastWhite":12.04,"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":"Bark","hex":"#5B3A29","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.08,"contrastWhite":10.09,"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/644b0c.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":"#0C2564","analogous":["#641F0C","#51640C"],"triadic":["#0C644B","#4B0C64"],"tetradic":["#0C641F","#0C2564","#640C51"],"splitComplementary":["#0C5164","#1F0C64"],"monochromatic":["#B78915","#644B0C","#120E02"]}

Variants

{"light":"#B78915","dark":"#120E02","saturated":"#705000","desaturated":"#584618","pastel":"#C5992B","neon":"#996E00"}

Nearest named colors

[{"slug":"sepia","name":"Sepia","hex":"#704214","distance":17},{"slug":"bark","name":"Bark","hex":"#5B3A29","distance":34.79942528261063},{"slug":"espresso","name":"Espresso","hex":"#4B3621","distance":38.82009788756334},{"slug":"moss-deep","name":"Moss Deep","hex":"#4A5D23","distance":39.102429592034305},{"slug":"saddle-brown","name":"Saddle Brown","hex":"#8B4513","distance":40.07492981902776}]

HEX meaning and use

About #644B0C

#644B0C is classified as a warm orange value with dark visual character. #644B0C is visually closest to Sepia, a named orange color with HEX #704214.

The RGB channels are 100, 75, and 12, with red carrying the strongest channel weight. In HSL, the hue is 43deg with 79% 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 0.0777, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 17.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text2.55:1AA Fail

White text8.22:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #644B0C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.55:1 · Fail

White text#FFFFFF8.22:1 · AAA

Accessible Alternatives

#120E02#FFFFFF text · best 19.27:1#120E02

#0C2564#FFFFFF text · best 14.34:1#0C2564

#641F0C#FFFFFF text · best 12.04:1#641F0C

Espresso#FFFFFF text · best 11.36:1#4B3621

Bark#FFFFFF text · best 10.09:1#5B3A29

Generated Palette

#644B0C#644B0C

#0C2564#0C2564

#641F0C#641F0C

#51640C#51640C

#B78915#B78915

#120E02#120E02

Color Harmonies

#0C2564#0C2564

#641F0C#641F0C

#51640C#51640C

#0C644B#0C644B

#4B0C64#4B0C64

Variants

#B78915#B78915

#120E02#120E02

#705000#705000

#584618#584618

#C5992B#C5992B

#996E00#996E00

Nearest Named Colors

Sepia#704214

Bark#5B3A29

Espresso#4B3621

Moss Deep#4A5D23

Saddle Brown#8B4513

#644B0C

CSS

Machine-Readable HEX Data (JSON)

About #644B0C

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides