Colors Encyclopedia

HEX atlas value

#FB5A41

#FB5A41 is a warm red HEX color close to Tomato. According to Colors Encyclopedia, it converts to RGB 251, 90, 65, HSL 8, 96%, 62%, has luminance 0.282, and belongs to the vibrant group.

redwarmvibrant
#FB5A41 Sample readable text
HEX #FB5A41
RGB rgb(251, 90, 65)
HSL hsl(8 96% 62%)
CMYK cmyk(0, 64, 74, 2)
Luminance 0.282
Contrast Black 6.64:1White 3.16:1

CSS

--color-fb5a41: #FB5A41;
.background-fb5a41 { background-color: #FB5A41; }
.text-fb5a41 { color: #FB5A41; }

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
Luminance0.282
Black text6.64:1AA Pass
White text3.16:1AA 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":"#FB5A41","rgb":[251,90,65],"hsl":[8,96,62],"cmyk":[0,64,74,2],"luminance":0.282,"contrast":{"black":6.64,"white":3.16}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.64,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.16,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#41E2FB","hex":"#41E2FB","family":"cyan","bestTextColor":"#000000","contrastBlack":13.5,"contrastWhite":1.56,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FBB741","hex":"#FBB741","family":"orange","bestTextColor":"#000000","contrastBlack":11.95,"contrastWhite":1.76,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FDA89B","hex":"#FDA89B","family":"red","bestTextColor":"#000000","contrastBlack":11.25,"contrastWhite":1.87,"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","Tomato 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/fb5a41.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/tomato.json","https://www.colorsencyclopedia.com/api/colors/tulip-red.json","https://www.colorsencyclopedia.com/api/colors/cinnabar.json"]}
Harmonies
{"complementary":"#41E2FB","analogous":["#FB4185","#FBB741"],"triadic":["#41FB5A","#5A41FB"],"tetradic":["#85FB41","#41E2FB","#B741FB"],"splitComplementary":["#41FBB7","#4185FB"],"monochromatic":["#FDA89B","#FB5A41","#DC2104"]}
Variants
{"light":"#FDA89B","dark":"#DC2104","saturated":"#FF573D","desaturated":"#E66A56","pastel":"#F9CAC3","neon":"#FF7A66"}
Nearest named colors
[{"slug":"tomato","name":"Tomato","hex":"#FF6347","distance":11.532562594670797},{"slug":"tulip-red","name":"Tulip Red","hex":"#FF4D4D","distance":18.138357147217054},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":32.54228019054596},{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":34.597687784012386},{"slug":"burnt-sienna","name":"Burnt Sienna","hex":"#E97451","distance":35.4400902933387}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #FB5A41

#FB5A41 is classified as a warm red value with vibrant visual character. #FB5A41 is visually closest to Tomato, a named red color with HEX #FF6347.

The RGB channels are 251, 90, and 65, with red carrying the strongest channel weight. In HSL, the hue is 8deg 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 0.282, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 11.53, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.64:1AA Pass
White text3.16:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FB5A41 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.64:1 · AA
White text#FFFFFF3.16:1 · Fail

Accessible Alternatives

#41E2FB#000000 text · best 13.5:1#41E2FB
#FBB741#000000 text · best 11.95:1#FBB741
#FDA89B#000000 text · best 11.25:1#FDA89B
Tomato#000000 text · best 7.13:1#FF6347
Burnt Sienna#000000 text · best 7.08:1#E97451

Generated Palette

#FB5A41#FB5A41
#41E2FB#41E2FB
#FB4185#FB4185
#FBB741#FBB741
#FDA89B#FDA89B
#DC2104#DC2104

Color Harmonies

#41E2FB#41E2FB
#FB4185#FB4185
#FBB741#FBB741
#41FB5A#41FB5A
#5A41FB#5A41FB

Variants

#FDA89B#FDA89B
#DC2104#DC2104
#FF573D#FF573D
#E66A56#E66A56
#F9CAC3#F9CAC3
#FF7A66#FF7A66

Nearest Named Colors

Tomato#FF6347
Tulip Red#FF4D4D
Cinnabar#E44D2E
Neon Orange#FF5F1F
Burnt Sienna#E97451

Related HEX Guides

Tomato colorOpen the nearest named color reference for #FF6347.Tulip Red colorOpen the nearest named color reference for #FF4D4D.Cinnabar colorOpen the nearest named color reference for #E44D2E.Red color familyBrowse named red colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Vibrant colorsFind colors in the vibrant group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#FB5A41 APIOpen the machine-readable JSON record for this HEX value.