HEX atlas value

#FB4F2D

#FB4F2D is a warm red HEX color close to Neon Orange. According to Colors Encyclopedia, it converts to RGB 251, 79, 45, HSL 10, 96%, 58%, has luminance 0.2629, and belongs to the vibrant group.

#FB4F2D Sample readable text
HEX #FB4F2D
RGB rgb(251, 79, 45)
HSL hsl(10 96% 58%)
CMYK cmyk(0, 69, 82, 2)
Luminance 0.2629
Contrast Black 6.26:1White 3.36:1

CSS

--color-fb4f2d: #FB4F2D;
.background-fb4f2d { background-color: #FB4F2D; }
.text-fb4f2d { color: #FB4F2D; }

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
Luminance0.2629
Black text6.26:1AA Pass
White text3.36:1AA 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":"#FB4F2D","rgb":[251,79,45],"hsl":[10,96,58],"cmyk":[0,69,82,2],"luminance":0.2629,"contrast":{"black":6.26,"white":3.36}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.26,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.36,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#2DD8FB","hex":"#2DD8FB","family":"cyan","bestTextColor":"#000000","contrastBlack":12.33,"contrastWhite":1.7,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FBB62D","hex":"#FBB62D","family":"orange","bestTextColor":"#000000","contrastBlack":11.83,"contrastWhite":1.78,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FD9B87","hex":"#FD9B87","family":"red","bestTextColor":"#000000","contrastBlack":10.21,"contrastWhite":2.06,"wcagAA":["#000000","#1A1A1A","#36454F"],"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","Neon Orange 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/fb4f2d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/neon-orange.json","https://www.colorsencyclopedia.com/api/colors/cinnabar.json","https://www.colorsencyclopedia.com/api/colors/fire-opal.json"]}
Harmonies
{"complementary":"#2DD8FB","analogous":["#FB2D72","#FBB62D"],"triadic":["#2DFB4F","#4F2DFB"],"tetradic":["#72FB2D","#2DD8FB","#B62DFB"],"splitComplementary":["#2DFBB6","#2D72FB"],"monochromatic":["#FD9B87","#FB4F2D","#C82504"]}
Variants
{"light":"#FD9B87","dark":"#C82504","saturated":"#FF4C29","desaturated":"#E35F45","pastel":"#F7BCB1","neon":"#FF6F52"}
Nearest named colors
[{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":21.633307652783937},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":23.108440016582687},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":25.729360660537214},{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":28.178005607210743},{"slug":"tulip-red","name":"Tulip Red","hex":"#FF4D4D","distance":32.31098884280702}]

HEX meaning and use

About #FB4F2D

#FB4F2D is classified as a warm red value with vibrant visual character. #FB4F2D is visually closest to Neon Orange, a named orange color with HEX #FF5F1F.

The RGB channels are 251, 79, and 45, with red carrying the strongest channel weight. In HSL, the hue is 10deg 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 0.2629, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 21.63, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.26:1AA Pass
White text3.36:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FB4F2D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.26:1 · AA
White text#FFFFFF3.36:1 · Fail

Accessible Alternatives

#2DD8FB#000000 text · best 12.33:1#2DD8FB
#FBB62D#000000 text · best 11.83:1#FBB62D
#FD9B87#000000 text · best 10.21:1#FD9B87
Neon Orange#000000 text · best 6.91:1#FF5F1F
Tulip Red#000000 text · best 6.42:1#FF4D4D

Generated Palette

#FB4F2D#FB4F2D
#2DD8FB#2DD8FB
#FB2D72#FB2D72
#FBB62D#FBB62D
#FD9B87#FD9B87
#C82504#C82504

Color Harmonies

#2DD8FB#2DD8FB
#FB2D72#FB2D72
#FBB62D#FBB62D
#2DFB4F#2DFB4F
#4F2DFB#4F2DFB

Variants

#FD9B87#FD9B87
#C82504#C82504
#FF4C29#FF4C29
#E35F45#E35F45
#F7BCB1#F7BCB1
#FF6F52#FF6F52

Nearest Named Colors