HEX atlas value

#855B51

#855B51 is a warm red HEX color close to Raw Umber. According to Colors Encyclopedia, it converts to RGB 133, 91, 81, HSL 12, 24%, 42%, has luminance 0.1306, and belongs to the muted group.

red warm muted

#855B51 Sample readable text

HEX #855B51

RGB rgb(133, 91, 81)

HSL hsl(12 24% 42%)

CMYK cmyk(0, 32, 39, 48)

Luminance 0.1306

Contrast Black 3.61:1White 5.81:1

CSS

--color-855b51: #855B51;
.background-855b51 { background-color: #855B51; }
.text-855b51 { color: #855B51; }

Luminance0.1306

Black text3.61:1AA Fail

White text5.81:1AA 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":"#855B51","rgb":[133,91,81],"hsl":[12,24,42],"cmyk":[0,32,39,48],"luminance":0.1306,"contrast":{"black":3.61,"white":5.81}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":3.61,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.81,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#4C342F","hex":"#4C342F","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.84,"contrastWhite":11.41,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Umber","hex":"#635147","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.8,"contrastWhite":7.51,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Loam","hex":"#6B4F3A","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.8,"contrastWhite":7.49,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Coffee","hex":"#6F4E37","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.82,"contrastWhite":7.45,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#B18A81","hex":"#B18A81","family":"red","bestTextColor":"#000000","contrastBlack":6.82,"contrastWhite":3.08,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm red","muted","muted red","Raw Umber adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","muted interface themes","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/855b51.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/raw-umber.json","https://www.colorsencyclopedia.com/api/colors/coffee.json","https://www.colorsencyclopedia.com/api/colors/loam.json"]}

Harmonies

{"complementary":"#517B85","analogous":["#855161","#857551"],"triadic":["#51855C","#5C5185"],"tetradic":["#618551","#517B85","#755185"],"splitComplementary":["#518575","#516185"],"monochromatic":["#B18A81","#855B51","#4C342F"]}

Variants

{"light":"#B18A81","dark":"#4C342F","saturated":"#9C4E3A","desaturated":"#6D6A69","pastel":"#B2A6A3","neon":"#FF3300"}

Nearest named colors

[{"slug":"raw-umber","name":"Raw Umber","hex":"#826644","distance":17.291616465790582},{"slug":"coffee","name":"Coffee","hex":"#6F4E37","distance":36.45545226711637},{"slug":"loam","name":"Loam","hex":"#6B4F3A","distance":36.72873534441391},{"slug":"umber","name":"Umber","hex":"#635147","distance":36.823905279043935},{"slug":"cedar","name":"Cedar","hex":"#8B5A2B","distance":38.48376280978771}]

HEX meaning and use

About #855B51

#855B51 is classified as a warm red value with muted visual character. #855B51 is visually closest to Raw Umber, a named orange color with HEX #826644.

The RGB channels are 133, 91, and 81, with red carrying the strongest channel weight. In HSL, the hue is 12deg with 24% saturation and 42% lightness, so this page treats it as a low-saturation, mid-lightness 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 muted interface themes. Its luminance is 0.1306, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 17.29, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.61:1AA Fail

White text5.81:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #855B51 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.61:1 · Fail

White text#FFFFFF5.81:1 · AA

Accessible Alternatives

#4C342F#FFFFFF text · best 11.41:1#4C342F

Umber#FFFFFF text · best 7.51:1#635147

Loam#FFFFFF text · best 7.49:1#6B4F3A

Coffee#FFFFFF text · best 7.45:1#6F4E37

#B18A81#000000 text · best 6.82:1#B18A81

Generated Palette

#855B51#855B51

#517B85#517B85

#855161#855161

#857551#857551

#B18A81#B18A81

#4C342F#4C342F

Color Harmonies

#517B85#517B85

#855161#855161

#857551#857551

#51855C#51855C

#5C5185#5C5185

Variants

#B18A81#B18A81

#4C342F#4C342F

#9C4E3A#9C4E3A

#6D6A69#6D6A69

#B2A6A3#B2A6A3

#FF3300#FF3300

Nearest Named Colors

Raw Umber#826644

Coffee#6F4E37

Loam#6B4F3A

Umber#635147

Cedar#8B5A2B

#855B51

CSS

Machine-Readable HEX Data (JSON)

About #855B51

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides