HEX atlas value

#FB5141

#FB5141 is a warm red HEX color close to Tulip Red. According to Colors Encyclopedia, it converts to RGB 251, 81, 65, HSL 5, 96%, 62%, has luminance 0.2678, and belongs to the vibrant group.

#FB5141 Sample readable text
HEX #FB5141
RGB rgb(251, 81, 65)
HSL hsl(5 96% 62%)
CMYK cmyk(0, 68, 74, 2)
Luminance 0.2678
Contrast Black 6.36:1White 3.3:1

CSS

--color-fb5141: #FB5141;
.background-fb5141 { background-color: #FB5141; }
.text-fb5141 { color: #FB5141; }

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
Luminance0.2678
Black text6.36:1AA Pass
White text3.3:1AA 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":"#FB5141","rgb":[251,81,65],"hsl":[5,96,62],"cmyk":[0,68,74,2],"luminance":0.2678,"contrast":{"black":6.36,"white":3.3}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.36,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.3,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#41ECFB","hex":"#41ECFB","family":"cyan","bestTextColor":"#000000","contrastBlack":14.62,"contrastWhite":1.44,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FBAE41","hex":"#FBAE41","family":"orange","bestTextColor":"#000000","contrastBlack":11.23,"contrastWhite":1.87,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FDA39B","hex":"#FDA39B","family":"red","bestTextColor":"#000000","contrastBlack":10.89,"contrastWhite":1.93,"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":"Neon Orange","hex":"#FF5F1F","family":"orange","bestTextColor":"#000000","contrastBlack":6.91,"contrastWhite":3.04,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
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/fb5141.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/cinnabar.json"]}
Harmonies
{"complementary":"#41ECFB","analogous":["#FB418F","#FBAE41"],"triadic":["#41FB51","#5141FB"],"tetradic":["#8FFB41","#41ECFB","#AE41FB"],"splitComplementary":["#41FBAE","#418FFB"],"monochromatic":["#FDA39B","#FB5141","#DC1604"]}
Variants
{"light":"#FDA39B","dark":"#DC1604","saturated":"#FF4D3D","desaturated":"#E66256","pastel":"#F9C7C3","neon":"#FF7366"}
Nearest named colors
[{"slug":"tulip-red","name":"Tulip Red","hex":"#FF4D4D","distance":13.2664991614216},{"slug":"tomato","name":"Tomato","hex":"#FF6347","distance":19.390719429665317},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":30.099833886584822},{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":31.144823004794873},{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":36.98648401781386}]

HEX meaning and use

About #FB5141

#FB5141 is classified as a warm red value with vibrant visual character. #FB5141 is visually closest to Tulip Red, a named red color with HEX #FF4D4D.

The RGB channels are 251, 81, and 65, with red carrying the strongest channel weight. In HSL, the hue is 5deg with 96% 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 0.2678, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 13.27, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.36:1AA Pass
White text3.3:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FB5141 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.36:1 · AA
White text#FFFFFF3.3:1 · Fail

Accessible Alternatives

#41ECFB#000000 text · best 14.62:1#41ECFB
#FBAE41#000000 text · best 11.23:1#FBAE41
#FDA39B#000000 text · best 10.89:1#FDA39B
Tomato#000000 text · best 7.13:1#FF6347
Neon Orange#000000 text · best 6.91:1#FF5F1F

Generated Palette

#FB5141#FB5141
#41ECFB#41ECFB
#FB418F#FB418F
#FBAE41#FBAE41
#FDA39B#FDA39B
#DC1604#DC1604

Color Harmonies

#41ECFB#41ECFB
#FB418F#FB418F
#FBAE41#FBAE41
#41FB51#41FB51
#5141FB#5141FB

Variants

#FDA39B#FDA39B
#DC1604#DC1604
#FF4D3D#FF4D3D
#E66256#E66256
#F9C7C3#F9C7C3
#FF7366#FF7366

Nearest Named Colors