HEX atlas value

#B22B10

#B22B10 is a warm red HEX color close to Pompeian Red. According to Colors Encyclopedia, it converts to RGB 178, 43, 16, HSL 10, 84%, 38%, has luminance 0.1123, and belongs to the vibrant group.

red warm vibrant

#B22B10 Sample readable text

HEX #B22B10

RGB rgb(178, 43, 16)

HSL hsl(10 84% 38%)

CMYK cmyk(0, 76, 91, 30)

Luminance 0.1123

Contrast Black 3.25:1White 6.47:1

CSS

--color-b22b10: #B22B10;
.background-b22b10 { background-color: #B22B10; }
.text-b22b10 { color: #B22B10; }

Luminance0.1123

Black text3.25:1AA Fail

White text6.47:1AA 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":"#B22B10","rgb":[178,43,16],"hsl":[10,84,38],"cmyk":[0,76,91,30],"luminance":0.1123,"contrast":{"black":3.25,"white":6.47}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":3.25,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":6.47,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#5E1608","hex":"#5E1608","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.59,"contrastWhite":13.17,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Pompeian Red","hex":"#A42A04","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.91,"contrastWhite":7.21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Brown","hex":"#A52A2A","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.96,"contrastWhite":7.09,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#9D3925","hex":"#9D3925","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.05,"contrastWhite":6.89,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#B21046","hex":"#B21046","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":3.06,"contrastWhite":6.87,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm red","vibrant","vibrant red","Pompeian Red adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/b22b10.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/pompeian-red.json","https://www.colorsencyclopedia.com/api/colors/firebrick.json","https://www.colorsencyclopedia.com/api/colors/rust.json"]}

Harmonies

{"complementary":"#1097B2","analogous":["#B21046","#B27C10"],"triadic":["#10B22B","#2B10B2"],"tetradic":["#46B210","#1097B2","#7C10B2"],"splitComplementary":["#10B27C","#1046B2"],"monochromatic":["#ED5031","#B22B10","#5E1608"]}

Variants

{"light":"#ED5031","dark":"#5E1608","saturated":"#C22000","desaturated":"#9D3925","pastel":"#E27560","neon":"#EB2700"}

Nearest named colors

[{"slug":"pompeian-red","name":"Pompeian Red","hex":"#A42A04","distance":18.466185312619388},{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":20.12461179749811},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":22.64950330581225},{"slug":"brown","name":"Brown","hex":"#A52A2A","distance":29.086079144497972},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":29.88310559496787}]

HEX meaning and use

About #B22B10

#B22B10 is classified as a warm red value with vibrant visual character. #B22B10 is visually closest to Pompeian Red, a named red color with HEX #A42A04.

The RGB channels are 178, 43, and 16, with red carrying the strongest channel weight. In HSL, the hue is 10deg with 84% saturation and 38% lightness, so this page treats it as a high-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 high-energy accents. Its luminance is 0.1123, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.47, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.25:1AA Fail

White text6.47:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #B22B10 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.25:1 · Fail

White text#FFFFFF6.47:1 · AA

Accessible Alternatives

#5E1608#FFFFFF text · best 13.17:1#5E1608

Pompeian Red#FFFFFF text · best 7.21:1#A42A04

Brown#FFFFFF text · best 7.09:1#A52A2A

#9D3925#FFFFFF text · best 6.89:1#9D3925

#B21046#FFFFFF text · best 6.87:1#B21046

Generated Palette

#B22B10#B22B10

#1097B2#1097B2

#B21046#B21046

#B27C10#B27C10

#ED5031#ED5031

#5E1608#5E1608

Color Harmonies

#1097B2#1097B2

#B21046#B21046

#B27C10#B27C10

#10B22B#10B22B

#2B10B2#2B10B2

Variants

#ED5031#ED5031

#5E1608#5E1608

#C22000#C22000

#9D3925#9D3925

#E27560#E27560

#EB2700#EB2700

Nearest Named Colors

Pompeian Red#A42A04

Firebrick#B22222

Rust#B7410E

Brown#A52A2A

Mahogany#C04000

#B22B10

CSS

Machine-Readable HEX Data (JSON)

About #B22B10

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides