HEX atlas value

#B23E24

#B23E24 is a warm red HEX color close to Rust. According to Colors Encyclopedia, it converts to RGB 178, 62, 36, HSL 11, 66%, 42%, has luminance 0.1304, and belongs to the balanced group.

red warm balanced

#B23E24 Sample readable text

HEX #B23E24

RGB rgb(178, 62, 36)

HSL hsl(11 66% 42%)

CMYK cmyk(0, 65, 80, 30)

Luminance 0.1304

Contrast Black 3.61:1White 5.82:1

CSS

--color-b23e24: #B23E24;
.background-b23e24 { background-color: #B23E24; }
.text-b23e24 { color: #B23E24; }

Luminance0.1304

Black text3.61:1AA Fail

White text5.82:1AA 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":"#B23E24","rgb":[178,62,36],"hsl":[11,66,42],"cmyk":[0,65,80,30],"luminance":0.1304,"contrast":{"black":3.61,"white":5.82}}

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":5.82,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#662415","hex":"#662415","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.83,"contrastWhite":11.49,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Brown","hex":"#A52A2A","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.96,"contrastWhite":7.09,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Firebrick","hex":"#B22222","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.14,"contrastWhite":6.68,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#B22451","hex":"#B22451","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":3.26,"contrastWhite":6.43,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#DC6E56","hex":"#DC6E56","family":"red","bestTextColor":"#000000","contrastBlack":6.41,"contrastWhite":3.28,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm red","balanced","balanced red","Rust adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/b23e24.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/brown.json","https://www.colorsencyclopedia.com/api/colors/firebrick.json"]}

Harmonies

{"complementary":"#2498B2","analogous":["#B22451","#B28524"],"triadic":["#24B23E","#3E24B2"],"tetradic":["#51B224","#2498B2","#8524B2"],"splitComplementary":["#24B285","#2451B2"],"monochromatic":["#DC6E56","#B23E24","#662415"]}

Variants

{"light":"#DC6E56","dark":"#662415","saturated":"#C92F0D","desaturated":"#9A4D3C","pastel":"#D69080","neon":"#FF2F00"}

Nearest named colors

[{"slug":"rust","name":"Rust","hex":"#B7410E","distance":22.759613353482084},{"slug":"brown","name":"Brown","hex":"#A52A2A","distance":24.596747752497688},{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":28.071337695236398},{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":28.372521918222215},{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":31.96873472629156}]

HEX meaning and use

About #B23E24

#B23E24 is classified as a warm red value with balanced visual character. #B23E24 is visually closest to Rust, a named orange color with HEX #B7410E.

The RGB channels are 178, 62, and 36, with red carrying the strongest channel weight. In HSL, the hue is 11deg with 66% saturation and 42% lightness, so this page treats it as a moderate-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-attention visual states. Its luminance is 0.1304, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 22.76, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.61:1AA Fail

White text5.82:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #B23E24 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.61:1 · Fail

White text#FFFFFF5.82:1 · AA

Accessible Alternatives

#662415#FFFFFF text · best 11.49:1#662415

Brown#FFFFFF text · best 7.09:1#A52A2A

Firebrick#FFFFFF text · best 6.68:1#B22222

#B22451#FFFFFF text · best 6.43:1#B22451

#DC6E56#000000 text · best 6.41:1#DC6E56

Generated Palette

#B23E24#B23E24

#2498B2#2498B2

#B22451#B22451

#B28524#B28524

#DC6E56#DC6E56

#662415#662415

Color Harmonies

#2498B2#2498B2

#B22451#B22451

#B28524#B28524

#24B23E#24B23E

#3E24B2#3E24B2

Variants

#DC6E56#DC6E56

#662415#662415

#C92F0D#C92F0D

#9A4D3C#9A4D3C

#D69080#D69080

#FF2F00#FF2F00

Nearest Named Colors

Rust#B7410E

Brown#A52A2A

Firebrick#B22222

Sienna#A0522D

Persian Red#CC3333

#B23E24

CSS

Machine-Readable HEX Data (JSON)

About #B23E24

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides