HEX atlas value

#C43D3B

#C43D3B is a warm red HEX color close to Persian Red. According to Colors Encyclopedia, it converts to RGB 196, 61, 59, HSL 1, 54%, 50%, has luminance 0.1539, and belongs to the balanced group.

#C43D3B Sample readable text
HEX #C43D3B
RGB rgb(196, 61, 59)
HSL hsl(1 54% 50%)
CMYK cmyk(0, 69, 70, 23)
Luminance 0.1539
Contrast Black 4.08:1White 5.15:1

CSS

--color-c43d3b: #C43D3B;
.background-c43d3b { background-color: #C43D3B; }
.text-c43d3b { color: #C43D3B; }

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
Luminance0.1539
Black text4.08:1AA Fail
White text5.15:1AA 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":"#C43D3B","rgb":[196,61,59],"hsl":[1,54,50],"cmyk":[0,69,70,23],"luminance":0.1539,"contrast":{"black":4.08,"white":5.15}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.08,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.15,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#3BC2C4","hex":"#3BC2C4","family":"cyan","bestTextColor":"#000000","contrastBlack":9.7,"contrastWhite":2.16,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#7E2726","hex":"#7E2726","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.21,"contrastWhite":9.52,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#D98381","hex":"#D98381","family":"red","bestTextColor":"#000000","contrastBlack":7.51,"contrastWhite":2.79,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#C4823B","hex":"#C4823B","family":"orange","bestTextColor":"#000000","contrastBlack":6.6,"contrastWhite":3.18,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"Persian Red","hex":"#CC3333","family":"red","bestTextColor":"#FFFFFF","contrastBlack":4.09,"contrastWhite":5.14,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","balanced","balanced red","Persian Red adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/c43d3b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/persian-red.json","https://www.colorsencyclopedia.com/api/colors/poppy-red.json","https://www.colorsencyclopedia.com/api/colors/vermilion.json"]}
Harmonies
{"complementary":"#3BC2C4","analogous":["#C43B7D","#C4823B"],"triadic":["#3BC43D","#3D3BC4"],"tetradic":["#7DC43B","#3BC2C4","#823BC4"],"splitComplementary":["#3BC482","#3B7DC4"],"monochromatic":["#D98381","#C43D3B","#7E2726"]}
Variants
{"light":"#D98381","dark":"#7E2726","saturated":"#E0221F","desaturated":"#A85857","pastel":"#D8A7A6","neon":"#FF2C29"}
Nearest named colors
[{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":15.0996688705415},{"slug":"poppy-red","name":"Poppy Red","hex":"#DC343B","distance":25.632011235952593},{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":32.17141588429082},{"slug":"red-clay","name":"Red Clay","hex":"#B45A3C","distance":33.13608305156178},{"slug":"spinel","name":"Spinel","hex":"#D83A56","distance":33.734255586866}]

HEX meaning and use

About #C43D3B

#C43D3B is classified as a warm red value with balanced visual character. #C43D3B is visually closest to Persian Red, a named red color with HEX #CC3333.

The RGB channels are 196, 61, and 59, with red carrying the strongest channel weight. In HSL, the hue is 1deg with 54% saturation and 50% lightness, so this page treats it as a moderate-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-attention visual states. Its luminance is 0.1539, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 15.10, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.08:1AA Fail
White text5.15:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #C43D3B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.08:1 · Fail
White text#FFFFFF5.15:1 · AA

Accessible Alternatives

#3BC2C4#000000 text · best 9.7:1#3BC2C4
#7E2726#FFFFFF text · best 9.52:1#7E2726
#D98381#000000 text · best 7.51:1#D98381
#C4823B#000000 text · best 6.6:1#C4823B
Persian Red#FFFFFF text · best 5.14:1#CC3333

Generated Palette

#C43D3B#C43D3B
#3BC2C4#3BC2C4
#C43B7D#C43B7D
#C4823B#C4823B
#D98381#D98381
#7E2726#7E2726

Color Harmonies

#3BC2C4#3BC2C4
#C43B7D#C43B7D
#C4823B#C4823B
#3BC43D#3BC43D
#3D3BC4#3D3BC4

Variants

#D98381#D98381
#7E2726#7E2726
#E0221F#E0221F
#A85857#A85857
#D8A7A6#D8A7A6
#FF2C29#FF2C29

Nearest Named Colors