HEX atlas value

#F55047

#F55047 is a warm red HEX color close to Tulip Red. According to Colors Encyclopedia, it converts to RGB 245, 80, 71, HSL 3, 90%, 62%, has luminance 0.256, and belongs to the vibrant group.

#F55047 Sample readable text
HEX #F55047
RGB rgb(245, 80, 71)
HSL hsl(3 90% 62%)
CMYK cmyk(0, 67, 71, 4)
Luminance 0.256
Contrast Black 6.12:1White 3.43:1

CSS

--color-f55047: #F55047;
.background-f55047 { background-color: #F55047; }
.text-f55047 { color: #F55047; }

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
Luminance0.256
Black text6.12:1AA Pass
White text3.43:1AA Fail
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":"#F55047","rgb":[245,80,71],"hsl":[3,90,62],"cmyk":[0,67,71,4],"luminance":0.256,"contrast":{"black":6.12,"white":3.43}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.12,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.43,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#47EDF5","hex":"#47EDF5","family":"cyan","bestTextColor":"#000000","contrastBlack":14.7,"contrastWhite":1.43,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FAA39E","hex":"#FAA39E","family":"red","bestTextColor":"#000000","contrastBlack":10.8,"contrastWhite":1.94,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F5A747","hex":"#F5A747","family":"orange","bestTextColor":"#000000","contrastBlack":10.5,"contrastWhite":2,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Tomato","hex":"#FF6347","family":"red","bestTextColor":"#000000","contrastBlack":7.13,"contrastWhite":2.95,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Burnt Sienna","hex":"#E97451","family":"red","bestTextColor":"#000000","contrastBlack":7.08,"contrastWhite":2.97,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]
AI context
{"semanticGroups":["warm red","vibrant","vibrant red","Tulip Red adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","high-attention visual states"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/f55047.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/tulip-red.json","https://www.colorsencyclopedia.com/api/colors/tomato.json","https://www.colorsencyclopedia.com/api/colors/vermilion.json"]}
Harmonies
{"complementary":"#47EDF5","analogous":["#F54795","#F5A747"],"triadic":["#47F550","#5047F5"],"tetradic":["#95F547","#47EDF5","#A747F5"],"splitComplementary":["#47F5A7","#4795F5"],"monochromatic":["#FAA39E","#F55047","#D5150B"]}
Variants
{"light":"#FAA39E","dark":"#D5150B","saturated":"#FF473D","desaturated":"#E0635C","pastel":"#F7C7C5","neon":"#FF6E66"}
Nearest named colors
[{"slug":"tulip-red","name":"Tulip Red","hex":"#FF4D4D","distance":12.041594578792296},{"slug":"tomato","name":"Tomato","hex":"#FF6347","distance":21.470910553583888},{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":29.68164415931166},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":30.380915061926625},{"slug":"burnt-sienna","name":"Burnt Sienna","hex":"#E97451","distance":39.242833740697165}]

HEX meaning and use

About #F55047

#F55047 is classified as a warm red value with vibrant visual character. #F55047 is visually closest to Tulip Red, a named red color with HEX #FF4D4D.

The RGB channels are 245, 80, and 71, with red carrying the strongest channel weight. In HSL, the hue is 3deg with 90% saturation and 62% 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 0.256, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 12.04, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.12:1AA Pass
White text3.43:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #F55047 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.12:1 · AA
White text#FFFFFF3.43:1 · Fail

Accessible Alternatives

#47EDF5#000000 text · best 14.7:1#47EDF5
#FAA39E#000000 text · best 10.8:1#FAA39E
#F5A747#000000 text · best 10.5:1#F5A747
Tomato#000000 text · best 7.13:1#FF6347
Burnt Sienna#000000 text · best 7.08:1#E97451

Generated Palette

#F55047#F55047
#47EDF5#47EDF5
#F54795#F54795
#F5A747#F5A747
#FAA39E#FAA39E
#D5150B#D5150B

Color Harmonies

#47EDF5#47EDF5
#F54795#F54795
#F5A747#F5A747
#47F550#47F550
#5047F5#5047F5

Variants

#FAA39E#FAA39E
#D5150B#D5150B
#FF473D#FF473D
#E0635C#E0635C
#F7C7C5#F7C7C5
#FF6E66#FF6E66

Nearest Named Colors