Colors Encyclopedia

HEX atlas value

#CA5121

#CA5121 is a warm orange HEX color close to Chocolate. According to Colors Encyclopedia, it converts to RGB 202, 81, 33, HSL 17, 72%, 46%, has luminance 0.1855, and belongs to the vibrant group.

orangewarmvibrant
#CA5121 Sample readable text
HEX #CA5121
RGB rgb(202, 81, 33)
HSL hsl(17 72% 46%)
CMYK cmyk(0, 60, 84, 21)
Luminance 0.1855
Contrast Black 4.71:1White 4.46:1

CSS

--color-ca5121: #CA5121;
.background-ca5121 { background-color: #CA5121; }
.text-ca5121 { color: #CA5121; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.1855
Black text4.71:1AA Pass
White text4.46:1AA Fail
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
Download JSON Open API
Structured sections
Color systems
{"hex":"#CA5121","rgb":[202,81,33],"hsl":[17,72,46],"cmyk":[0,60,84,21],"luminance":0.1855,"contrast":{"black":4.71,"white":4.46}}
WCAG
{"AA":["#000000"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.71,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.46,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#7B3114","hex":"#7B3114","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.29,"contrastWhite":9.16,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#CAA521","hex":"#CAA521","family":"yellow","bestTextColor":"#000000","contrastBlack":8.92,"contrastWhite":2.36,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#E58761","hex":"#E58761","family":"orange","bestTextColor":"#000000","contrastBlack":7.97,"contrastWhite":2.63,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#219ACA","hex":"#219ACA","family":"blue","bestTextColor":"#000000","contrastBlack":6.54,"contrastWhite":3.21,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"Fire Opal","hex":"#E95C20","family":"orange","bestTextColor":"#000000","contrastBlack":6.02,"contrastWhite":3.49,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Chocolate adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/ca5121.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/chocolate.json","https://www.colorsencyclopedia.com/api/colors/cinnamon.json","https://www.colorsencyclopedia.com/api/colors/cinnabar.json"]}
Harmonies
{"complementary":"#219ACA","analogous":["#CA2145","#CAA521"],"triadic":["#21CA51","#5121CA"],"tetradic":["#45CA21","#219ACA","#A521CA"],"splitComplementary":["#21CAA5","#2145CA"],"monochromatic":["#E58761","#CA5121","#7B3114"]}
Variants
{"light":"#E58761","dark":"#7B3114","saturated":"#E44607","desaturated":"#B05C3B","pastel":"#DFA38B","neon":"#FF5714"}
Nearest named colors
[{"slug":"chocolate","name":"Chocolate","hex":"#D2691E","distance":25.475478405713993},{"slug":"cinnamon","name":"Cinnamon","hex":"#D2691E","distance":25.475478405713993},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":29.34280150224242},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":31.272991542223778},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":32.90896534380867}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #CA5121

#CA5121 is classified as a warm orange value with vibrant visual character. #CA5121 is visually closest to Chocolate, a named orange color with HEX #D2691E.

The RGB channels are 202, 81, and 33, with red carrying the strongest channel weight. In HSL, the hue is 17deg with 72% saturation and 46% 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 0.1855, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 25.48, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.71:1AA Pass
White text4.46:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #CA5121 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.71:1 · AA
White text#FFFFFF4.46:1 · Fail

Accessible Alternatives

#7B3114#FFFFFF text · best 9.16:1#7B3114
#CAA521#000000 text · best 8.92:1#CAA521
#E58761#000000 text · best 7.97:1#E58761
#219ACA#000000 text · best 6.54:1#219ACA
Fire Opal#000000 text · best 6.02:1#E95C20

Generated Palette

#CA5121#CA5121
#219ACA#219ACA
#CA2145#CA2145
#CAA521#CAA521
#E58761#E58761
#7B3114#7B3114

Color Harmonies

#219ACA#219ACA
#CA2145#CA2145
#CAA521#CAA521
#21CA51#21CA51
#5121CA#5121CA

Variants

#E58761#E58761
#7B3114#7B3114
#E44607#E44607
#B05C3B#B05C3B
#DFA38B#DFA38B
#FF5714#FF5714

Nearest Named Colors

Chocolate#D2691E
Cinnamon#D2691E
Cinnabar#E44D2E
Rust#B7410E
Fire Opal#E95C20

Related HEX Guides

Chocolate colorOpen the nearest named color reference for #D2691E.Cinnamon colorOpen the nearest named color reference for #D2691E.Cinnabar colorOpen the nearest named color reference for #E44D2E.Orange color familyBrowse named orange colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Vibrant colorsFind colors in the vibrant group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#CA5121 APIOpen the machine-readable JSON record for this HEX value.