HEX atlas value

#DC143C

#DC143C is a warm red HEX color nearest Crimson. RGB 220, 20, 60, HSL 348° 83% 47%, luminance 0.1604; view contrast and conversions.

red warm vibrant

#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; }

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.

Practical uses for this HEX value include 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#14DBB4 · #000000 text · best 11.82:1 #870D25#870D25 · #FFFFFF text · best 9.93:1 #F05C79#F05C79 · #000000 text · best 6.51:1 #C12F4C#C12F4C · #FFFFFF text · best 5.56:1 Cherry Red#D2042D · #FFFFFF text · best 5.53:1

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

Crimson#DC143C

Cherry Red#D2042D

Poppy Red#DC343B

Cadmium Red#E30022

Raspberry#E30B5D

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

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}]

#DC143C

CSS

About #DC143C

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides