HEX atlas value

#FB342D

#FB342D is a warm red HEX color close to Vermilion. According to Colors Encyclopedia, it converts to RGB 251, 52, 45, HSL 2, 96%, 58%, has luminance 0.2315, and belongs to the vibrant group.

#FB342D Sample readable text
HEX #FB342D
RGB rgb(251, 52, 45)
HSL hsl(2 96% 58%)
CMYK cmyk(0, 79, 82, 2)
Luminance 0.2315
Contrast Black 5.63:1White 3.73:1

CSS

--color-fb342d: #FB342D;
.background-fb342d { background-color: #FB342D; }
.text-fb342d { color: #FB342D; }

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
Luminance0.2315
Black text5.63:1AA Pass
White text3.73:1AA 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":"#FB342D","rgb":[251,52,45],"hsl":[2,96,58],"cmyk":[0,79,82,2],"luminance":0.2315,"contrast":{"black":5.63,"white":3.73}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":5.63,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.73,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#2DF4FB","hex":"#2DF4FB","family":"cyan","bestTextColor":"#000000","contrastBlack":15.44,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FB9B2D","hex":"#FB9B2D","family":"orange","bestTextColor":"#000000","contrastBlack":9.83,"contrastWhite":2.14,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FD8B87","hex":"#FD8B87","family":"red","bestTextColor":"#000000","contrastBlack":9.22,"contrastWhite":2.28,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Neon Orange","hex":"#FF5F1F","family":"orange","bestTextColor":"#000000","contrastBlack":6.91,"contrastWhite":3.04,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"Tulip Red","hex":"#FF4D4D","family":"red","bestTextColor":"#000000","contrastBlack":6.42,"contrastWhite":3.27,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","vibrant","vibrant red","Vermilion 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/fb342d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/vermilion.json","https://www.colorsencyclopedia.com/api/colors/cinnabar.json","https://www.colorsencyclopedia.com/api/colors/poppy-red.json"]}
Harmonies
{"complementary":"#2DF4FB","analogous":["#FB2D8D","#FB9B2D"],"triadic":["#2DFB34","#342DFB"],"tetradic":["#8DFB2D","#2DF4FB","#9B2DFB"],"splitComplementary":["#2DFB9B","#2D8DFB"],"monochromatic":["#FD8B87","#FB342D","#C80B04"]}
Variants
{"light":"#FD8B87","dark":"#C80B04","saturated":"#FF3029","desaturated":"#E34A45","pastel":"#F7B3B1","neon":"#FF5752"}
Nearest named colors
[{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":28.653097563788805},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":33.98529093593286},{"slug":"poppy-red","name":"Poppy Red","hex":"#DC343B","distance":34.0147027033899},{"slug":"tulip-red","name":"Tulip Red","hex":"#FF4D4D","distance":40.80441152620633},{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":45.39823785126467}]

HEX meaning and use

About #FB342D

#FB342D is classified as a warm red value with vibrant visual character. #FB342D is visually closest to Vermilion, a named red color with HEX #E34234.

The RGB channels are 251, 52, and 45, with red carrying the strongest channel weight. In HSL, the hue is 2deg with 96% saturation and 58% 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 0.2315, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 28.65, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.63:1AA Pass
White text3.73:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FB342D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.63:1 · AA
White text#FFFFFF3.73:1 · Fail

Accessible Alternatives

#2DF4FB#000000 text · best 15.44:1#2DF4FB
#FB9B2D#000000 text · best 9.83:1#FB9B2D
#FD8B87#000000 text · best 9.22:1#FD8B87
Neon Orange#000000 text · best 6.91:1#FF5F1F
Tulip Red#000000 text · best 6.42:1#FF4D4D

Generated Palette

#FB342D#FB342D
#2DF4FB#2DF4FB
#FB2D8D#FB2D8D
#FB9B2D#FB9B2D
#FD8B87#FD8B87
#C80B04#C80B04

Color Harmonies

#2DF4FB#2DF4FB
#FB2D8D#FB2D8D
#FB9B2D#FB9B2D
#2DFB34#2DFB34
#342DFB#342DFB

Variants

#FD8B87#FD8B87
#C80B04#C80B04
#FF3029#FF3029
#E34A45#E34A45
#F7B3B1#F7B3B1
#FF5752#FF5752

Nearest Named Colors