Colors Encyclopedia

HEX atlas value

#5A1B02

#5A1B02 is a warm orange HEX color close to Oxblood. According to Colors Encyclopedia, it converts to RGB 90, 27, 2, HSL 17, 96%, 18%, has luminance 0.0296, and belongs to the dark group.

orangewarmdark
#5A1B02 Sample readable text
HEX #5A1B02
RGB rgb(90, 27, 2)
HSL hsl(17 96% 18%)
CMYK cmyk(0, 70, 98, 65)
Luminance 0.0296
Contrast Black 1.59:1White 13.19:1

CSS

--color-5a1b02: #5A1B02;
.background-5a1b02 { background-color: #5A1B02; }
.text-5a1b02 { color: #5A1B02; }

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
Luminance0.0296
Black text1.59:1AA Fail
White text13.19:1AA 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":"#5A1B02","rgb":[90,27,2],"hsl":[17,96,18],"cmyk":[0,70,98,65],"luminance":0.0296,"contrast":{"black":1.59,"white":13.19}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.59,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":13.19,"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":"Oxblood","hex":"#4A0000","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.29,"contrastWhite":16.25,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#5A0215","hex":"#5A0215","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.45,"contrastWhite":14.44,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#501F0C","hex":"#501F0C","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.54,"contrastWhite":13.62,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#5C1A00","hex":"#5C1A00","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.6,"contrastWhite":13.11,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm orange","dark","dark orange","Oxblood adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","dark theme accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/5a1b02.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/oxblood.json","https://www.colorsencyclopedia.com/api/colors/barn-red.json","https://www.colorsencyclopedia.com/api/colors/garnet-red.json"]}
Harmonies
{"complementary":"#02415A","analogous":["#5A0215","#5A4702"],"triadic":["#025A1B","#1B025A"],"tetradic":["#155A02","#02415A","#47025A"],"splitComplementary":["#025A47","#02155A"],"monochromatic":["#B43604","#5A1B02","#000000"]}
Variants
{"light":"#B43604","dark":"#000000","saturated":"#5C1A00","desaturated":"#501F0C","pastel":"#C64715","neon":"#852600"}
Nearest named colors
[{"slug":"oxblood","name":"Oxblood","hex":"#4A0000","distance":31.448370387032774},{"slug":"barn-red","name":"Barn Red","hex":"#7C0A02","distance":38.01315561749642},{"slug":"garnet-red","name":"Garnet Red","hex":"#6E1F26","distance":41.376321731154405},{"slug":"espresso","name":"Espresso","hex":"#4B3621","distance":43.76071297408213},{"slug":"merlot","name":"Merlot","hex":"#541E2E","distance":44.50842616853577}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #5A1B02

#5A1B02 is classified as a warm orange value with dark visual character. #5A1B02 is visually closest to Oxblood, a named red color with HEX #4A0000.

The RGB channels are 90, 27, and 2, with red carrying the strongest channel weight. In HSL, the hue is 17deg with 96% saturation and 18% lightness, so this page treats it as a high-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 dark theme accents. Its luminance is 0.0296, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 31.45, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.59:1AA Fail
White text13.19:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #5A1B02 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.59:1 · Fail
White text#FFFFFF13.19:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Oxblood#FFFFFF text · best 16.25:1#4A0000
#5A0215#FFFFFF text · best 14.44:1#5A0215
#501F0C#FFFFFF text · best 13.62:1#501F0C
#5C1A00#FFFFFF text · best 13.11:1#5C1A00

Generated Palette

#5A1B02#5A1B02
#02415A#02415A
#5A0215#5A0215
#5A4702#5A4702
#B43604#B43604
Black#000000

Color Harmonies

#02415A#02415A
#5A0215#5A0215
#5A4702#5A4702
#025A1B#025A1B
#1B025A#1B025A

Variants

#B43604#B43604
Black#000000
#5C1A00#5C1A00
#501F0C#501F0C
#C64715#C64715
#852600#852600

Nearest Named Colors

Oxblood#4A0000
Barn Red#7C0A02
Garnet Red#6E1F26
Espresso#4B3621
Merlot#541E2E

Related HEX Guides

Oxblood colorOpen the nearest named color reference for #4A0000.Barn Red colorOpen the nearest named color reference for #7C0A02.Garnet Red colorOpen the nearest named color reference for #6E1F26.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.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.#5A1B02 APIOpen the machine-readable JSON record for this HEX value.