HEX atlas value

#DC143C

#DC143C is a warm red HEX color close to Crimson. According to Colors Encyclopedia, it converts to RGB 220, 20, 60, HSL 348, 83%, 47%, has luminance 0.1604, and belongs to the vibrant group.

#DC143C Sample readable text
HEX #DC143C
RGB rgb(220, 20, 60)
HSL hsl(348 83% 47%)
CMYK cmyk(0, 91, 73, 14)
Luminance 0.1604
Contrast Black 4.21:1White 4.99:1

CSS

--color-dc143c: #DC143C;
.background-dc143c { background-color: #DC143C; }
.text-dc143c { color: #DC143C; }

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
Luminance0.1604
Black text4.21:1AA Fail
White text4.99:1AA 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":"#DC143C","rgb":[220,20,60],"hsl":[348,83,47],"cmyk":[0,91,73,14],"luminance":0.1604,"contrast":{"black":4.21,"white":4.99}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.21,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.99,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#14DBB4","hex":"#14DBB4","family":"cyan","bestTextColor":"#000000","contrastBlack":11.82,"contrastWhite":1.78,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#870D25","hex":"#870D25","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.11,"contrastWhite":9.93,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#F05C79","hex":"#F05C79","family":"red","bestTextColor":"#000000","contrastBlack":6.51,"contrastWhite":3.22,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#C12F4C","hex":"#C12F4C","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.78,"contrastWhite":5.56,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"Cherry Red","hex":"#D2042D","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.8,"contrastWhite":5.53,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","vibrant","vibrant red","Crimson adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/dc143c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/crimson.json","https://www.colorsencyclopedia.com/api/colors/cherry-red.json","https://www.colorsencyclopedia.com/api/colors/poppy-red.json"]}
Harmonies
{"complementary":"#14DBB4","analogous":["#DB14A0","#DB5014"],"triadic":["#3CDB14","#143CDB"],"tetradic":["#A0DB14","#14DBB4","#5014DB"],"splitComplementary":["#14DB50","#14A0DB"],"monochromatic":["#F05C79","#DC143C","#870D25"]}
Variants
{"light":"#F05C79","dark":"#870D25","saturated":"#F00030","desaturated":"#C12F4C","pastel":"#E8879A","neon":"#FF1A47"}
Nearest named colors
[{"slug":"crimson","name":"Crimson","hex":"#DC143C","distance":0},{"slug":"cherry-red","name":"Cherry Red","hex":"#D2042D","distance":24.1039415863879},{"slug":"poppy-red","name":"Poppy Red","hex":"#DC343B","distance":32.01562118716424},{"slug":"cadmium-red","name":"Cadmium Red","hex":"#E30022","distance":33.54101966249684},{"slug":"raspberry","name":"Raspberry","hex":"#E30B5D","distance":34.91418050019218}]

HEX meaning and use

About #DC143C

#DC143C is classified as a warm red value with vibrant visual character. #DC143C is visually closest to Crimson, a named red color with HEX #DC143C.

The RGB channels are 220, 20, and 60, with red carrying the strongest channel weight. In HSL, the hue is 348deg with 83% saturation and 47% 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 0.1604, 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 text4.21:1AA Fail
White text4.99:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #DC143C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.21:1 · Fail
White text#FFFFFF4.99:1 · AA

Accessible Alternatives

#14DBB4#000000 text · best 11.82:1#14DBB4
#870D25#FFFFFF text · best 9.93:1#870D25
#F05C79#000000 text · best 6.51:1#F05C79
#C12F4C#FFFFFF text · best 5.56:1#C12F4C
Cherry Red#FFFFFF text · best 5.53:1#D2042D

Generated Palette

Crimson#DC143C
#14DBB4#14DBB4
#DB14A0#DB14A0
#DB5014#DB5014
#F05C79#F05C79
#870D25#870D25

Color Harmonies

#14DBB4#14DBB4
#DB14A0#DB14A0
#DB5014#DB5014
#3CDB14#3CDB14
#143CDB#143CDB

Variants

#F05C79#F05C79
#870D25#870D25
#F00030#F00030
#C12F4C#C12F4C
#E8879A#E8879A
#FF1A47#FF1A47

Nearest Named Colors