Colors Encyclopedia

HEX atlas value

#4B0082

#4B0082 is a cool purple HEX color close to Indigo. According to Colors Encyclopedia, it converts to RGB 75, 0, 130, HSL 275, 100%, 25%, has luminance 0.0311, and belongs to the jewel tone group.

purplecooljewel-tone
#4B0082 Sample readable text
HEX #4B0082
RGB rgb(75, 0, 130)
HSL hsl(275 100% 25%)
CMYK cmyk(42, 100, 0, 49)
Luminance 0.0311
Contrast Black 1.62:1White 12.95:1

CSS

--color-4b0082: #4B0082;
.background-4b0082 { background-color: #4B0082; }
.text-4b0082 { color: #4B0082; }

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
Luminance0.0311
Black text1.62:1AA Fail
White text12.95:1AA 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":"#4B0082","rgb":[75,0,130],"hsl":[275,100,25],"cmyk":[42,100,0,49],"luminance":0.0311,"contrast":{"black":1.62,"white":12.95}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.62,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":12.95,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"#150024","hex":"#150024","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.06,"contrastWhite":19.85,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#0B0080","hex":"#0B0080","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.33,"contrastWhite":15.84,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Midnight Blue","hex":"#191970","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.41,"contrastWhite":14.85,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Ultramarine","hex":"#120A8F","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.47,"contrastWhite":14.32,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#480E71","hex":"#480E71","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.58,"contrastWhite":13.32,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["cool purple","jewel tone","jewel tone purple","Indigo adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/4b0082.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/indigo.json","https://www.colorsencyclopedia.com/api/colors/purple.json","https://www.colorsencyclopedia.com/api/colors/imperial-purple.json"]}
Harmonies
{"complementary":"#358000","analogous":["#0B0080","#800075"],"triadic":["#804A00","#00804A"],"tetradic":["#800B00","#358000","#007580"],"splitComplementary":["#758000","#00800B"],"monochromatic":["#8000DB","#4B0082","#150024"]}
Variants
{"light":"#8000DB","dark":"#150024","saturated":"#4A0080","desaturated":"#480E71","pastel":"#9213EC","neon":"#6200A8"}
Nearest named colors
[{"slug":"indigo","name":"Indigo","hex":"#4B0082","distance":0},{"slug":"purple","name":"Purple","hex":"#800080","distance":53.03772242470448},{"slug":"imperial-purple","name":"Imperial Purple","hex":"#602F6B","distance":56.382621436041795},{"slug":"midnight-blue","name":"Midnight Blue","hex":"#191970","distance":58.728187440104094},{"slug":"ultramarine","name":"Ultramarine","hex":"#120A8F","distance":59.312730505347666}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #4B0082

#4B0082 is classified as a cool purple value with jewel tone visual character. #4B0082 is visually closest to Indigo, a named purple color with HEX #4B0082.

The RGB channels are 75, 0, and 130, with blue carrying the strongest channel weight. In HSL, the hue is 275deg with 100% saturation and 25% 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 rich accent palettes. Its luminance is 0.0311, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.62:1AA Fail
White text12.95:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #4B0082 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.62:1 · Fail
White text#FFFFFF12.95:1 · AAA

Accessible Alternatives

#150024#FFFFFF text · best 19.85:1#150024
#0B0080#FFFFFF text · best 15.84:1#0B0080
Midnight Blue#FFFFFF text · best 14.85:1#191970
Ultramarine#FFFFFF text · best 14.32:1#120A8F
#480E71#FFFFFF text · best 13.32:1#480E71

Generated Palette

Indigo#4B0082
#358000#358000
#0B0080#0B0080
#800075#800075
#8000DB#8000DB
#150024#150024

Color Harmonies

#358000#358000
#0B0080#0B0080
#800075#800075
#804A00#804A00
#00804A#00804A

Variants

#8000DB#8000DB
#150024#150024
#4A0080#4A0080
#480E71#480E71
#9213EC#9213EC
#6200A8#6200A8

Nearest Named Colors

Indigo#4B0082
Purple#800080
Imperial Purple#602F6B
Midnight Blue#191970
Ultramarine#120A8F

Related HEX Guides

Indigo colorOpen the nearest named color reference for #4B0082.Purple colorOpen the nearest named color reference for #800080.Imperial Purple colorOpen the nearest named color reference for #602F6B.Purple color familyBrowse named purple colors related to this HEX value.Cool colorsExplore colors with similar temperature behavior.Jewel Tone colorsFind colors in the jewel 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.#4B0082 APIOpen the machine-readable JSON record for this HEX value.