Colors Encyclopedia

HEX atlas value

#503D21

#503D21 is a warm orange HEX color close to Espresso. According to Colors Encyclopedia, it converts to RGB 80, 61, 33, HSL 36, 42%, 22%, has luminance 0.0515, and belongs to the dark and earth tone groups.

orangewarmdarkearth-tone
#503D21 Sample readable text
HEX #503D21
RGB rgb(80, 61, 33)
HSL hsl(36 42% 22%)
CMYK cmyk(0, 24, 59, 69)
Luminance 0.0515
Contrast Black 2.03:1White 10.34:1

CSS

--color-503d21: #503D21;
.background-503d21 { background-color: #503D21; }
.text-503d21 { color: #503D21; }

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
Luminance0.0515
Black text2.03:1AA Fail
White text10.34:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#503D21","rgb":[80,61,33],"hsl":[36,42,22],"cmyk":[0,24,59,69],"luminance":0.0515,"contrast":{"black":2.03,"white":10.34}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":2.03,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":10.34,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"#0E0B06","hex":"#0E0B06","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.07,"contrastWhite":19.63,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#502521","hex":"#502521","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.63,"contrastWhite":12.9,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#213350","hex":"#213350","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.65,"contrastWhite":12.7,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Espresso","hex":"#4B3621","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.85,"contrastWhite":11.36,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Pine Bark","hex":"#4A3728","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.87,"contrastWhite":11.24,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm orange","dark","earth tone","dark orange","earth tone orange","Espresso adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","dark theme accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/503d21.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/espresso.json","https://www.colorsencyclopedia.com/api/colors/pine-bark.json","https://www.colorsencyclopedia.com/api/colors/bark.json"]}
Harmonies
{"complementary":"#213350","analogous":["#502521","#4B5021"],"triadic":["#21503D","#3D2150"],"tetradic":["#215025","#213350","#50214B"],"splitComplementary":["#214B50","#252150"],"monochromatic":["#916F3B","#503D21","#0E0B06"]}
Variants
{"light":"#916F3B","dark":"#0E0B06","saturated":"#5C3F14","desaturated":"#433A2D","pastel":"#987E57","neon":"#995C00"}
Nearest named colors
[{"slug":"espresso","name":"Espresso","hex":"#4B3621","distance":8.602325267042627},{"slug":"pine-bark","name":"Pine Bark","hex":"#4A3728","distance":11},{"slug":"bark","name":"Bark","hex":"#5B3A29","distance":13.92838827718412},{"slug":"taupe","name":"Taupe","hex":"#483C32","distance":18.81488772222678},{"slug":"walnut","name":"Walnut","hex":"#5C4033","distance":21.840329667841555}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #503D21

#503D21 is classified as a warm orange value with dark and earth tone visual character. #503D21 is visually closest to Espresso, a named orange color with HEX #4B3621.

The RGB channels are 80, 61, and 33, with red carrying the strongest channel weight. In HSL, the hue is 36deg with 42% saturation and 22% 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 0.0515, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 8.60, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text2.03:1AA Fail
White text10.34:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #503D21 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.03:1 · Fail
White text#FFFFFF10.34:1 · AAA

Accessible Alternatives

#0E0B06#FFFFFF text · best 19.63:1#0E0B06
#502521#FFFFFF text · best 12.9:1#502521
#213350#FFFFFF text · best 12.7:1#213350
Espresso#FFFFFF text · best 11.36:1#4B3621
Pine Bark#FFFFFF text · best 11.24:1#4A3728

Generated Palette

#503D21#503D21
#213350#213350
#502521#502521
#4B5021#4B5021
#916F3B#916F3B
#0E0B06#0E0B06

Color Harmonies

#213350#213350
#502521#502521
#4B5021#4B5021
#21503D#21503D
#3D2150#3D2150

Variants

#916F3B#916F3B
#0E0B06#0E0B06
#5C3F14#5C3F14
#433A2D#433A2D
#987E57#987E57
#995C00#995C00

Nearest Named Colors

Espresso#4B3621
Pine Bark#4A3728
Bark#5B3A29
Taupe#483C32
Walnut#5C4033

Related HEX Guides

Espresso colorOpen the nearest named color reference for #4B3621.Pine Bark colorOpen the nearest named color reference for #4A3728.Bark colorOpen the nearest named color reference for #5B3A29.Orange color familyBrowse named orange colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Dark colorsFind colors in the dark group.Earth Tone colorsFind colors in the earth tone 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.#503D21 APIOpen the machine-readable JSON record for this HEX value.