HEX atlas value

#133521

#133521 is a cool green HEX color close to British Racing Green. According to Colors Encyclopedia, it converts to RGB 19, 53, 33, HSL 145, 47%, 14%, has luminance 0.0279, and belongs to the dark, earth tone, and jewel tone groups.

green cool dark earth-tone jewel-tone

#133521 Sample readable text

HEX #133521

RGB rgb(19, 53, 33)

HSL hsl(145 47% 14%)

CMYK cmyk(64, 0, 38, 79)

Luminance 0.0279

Contrast Black 1.56:1White 13.48:1

CSS

--color-133521: #133521;
.background-133521 { background-color: #133521; }
.text-133521 { color: #133521; }

Luminance0.0279

Black text1.56:1AA Fail

White text13.48:1AA 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":"#133521","rgb":[19,53,33],"hsl":[145,47,14],"cmyk":[64,0,38,79],"luminance":0.0279,"contrast":{"black":1.56,"white":13.48}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.56,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":13.48,"wcagAA":true,"wcagAAA":true}]

Accessible alternatives

[{"name":"Black","hex":"#000000","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1,"contrastWhite":21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Carbon Fiber","hex":"#1C1C1C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.23,"contrastWhite":17.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#341326","hex":"#341326","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.27,"contrastWhite":16.56,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Raisin","hex":"#242124","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.32,"contrastWhite":15.93,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Rubber","hex":"#2A2725","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.42,"contrastWhite":14.83,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["cool green","dark","earth tone","jewel tone","dark green","earth tone green","jewel tone green","British Racing Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","rich accent palettes","dark theme accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/133521.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/british-racing-green.json","https://www.colorsencyclopedia.com/api/colors/slate-black.json","https://www.colorsencyclopedia.com/api/colors/raisin.json"]}

Harmonies

{"complementary":"#341326","analogous":["#163413","#133432"],"triadic":["#211334","#342113"],"tetradic":["#131634","#341326","#343213"],"splitComplementary":["#321334","#341316"],"monochromatic":["#2B784B","#133521","#000000"]}

Variants

{"light":"#2B784B","dark":"#000000","saturated":"#0B3C20","desaturated":"#1B2D22","pastel":"#44835E","neon":"#00702F"}

Nearest named colors

[{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","distance":23.366642891095847},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":24.71841418861655},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":26.419689627245813},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":27.03701166919155},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":27.2213151776324}]

HEX meaning and use

About #133521

#133521 is classified as a cool green value with dark, earth tone, and jewel tone visual character. #133521 is visually closest to British Racing Green, a named green color with HEX #004225.

The RGB channels are 19, 53, and 33, with green carrying the strongest channel weight. In HSL, the hue is 145deg with 47% saturation and 14% lightness, so this page treats it as a moderate-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 natural palettes. Its luminance is 0.0279, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 23.37, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.56:1AA Fail

White text13.48:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #133521 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.56:1 · Fail

White text#FFFFFF13.48:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C

#341326#FFFFFF text · best 16.56:1#341326

Raisin#FFFFFF text · best 15.93:1#242124

Rubber#FFFFFF text · best 14.83:1#2A2725

Generated Palette

#133521#133521

#341326#341326

#163413#163413

#133432#133432

#2B784B#2B784B

Black#000000

Color Harmonies

#341326#341326

#163413#163413

#133432#133432

#211334#211334

#342113#342113

Variants

#2B784B#2B784B

Black#000000

#0B3C20#0B3C20

#1B2D22#1B2D22

#44835E#44835E

#00702F#00702F

Nearest Named Colors

British Racing Green#004225

Slate Black#26282A

Raisin#242124

Carbon Fiber#1C1C1C

Rubber#2A2725

#133521

CSS

Machine-Readable HEX Data (JSON)

About #133521

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides