Colors Encyclopedia

HEX atlas value

#FC6B55

#FC6B55 is a warm red HEX color close to Tomato. According to Colors Encyclopedia, it converts to RGB 252, 107, 85, HSL 8, 97%, 66%, has luminance 0.3187, and belongs to the vibrant group.

redwarmvibrant
#FC6B55 Sample readable text
HEX #FC6B55
RGB rgb(252, 107, 85)
HSL hsl(8 97% 66%)
CMYK cmyk(0, 58, 66, 1)
Luminance 0.3187
Contrast Black 7.37:1White 2.85:1

CSS

--color-fc6b55: #FC6B55;
.background-fc6b55 { background-color: #FC6B55; }
.text-fc6b55 { color: #FC6B55; }

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
Luminance0.3187
Black text7.37:1AA Pass
White text2.85:1AA 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":"#FC6B55","rgb":[252,107,85],"hsl":[8,97,66],"cmyk":[0,58,66,1],"luminance":0.3187,"contrast":{"black":7.37,"white":2.85}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":7.37,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.85,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#54E6FC","hex":"#54E6FC","family":"cyan","bestTextColor":"#000000","contrastBlack":14.1,"contrastWhite":1.49,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FEB9AF","hex":"#FEB9AF","family":"red","bestTextColor":"#000000","contrastBlack":12.77,"contrastWhite":1.64,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FCBF54","hex":"#FCBF54","family":"orange","bestTextColor":"#000000","contrastBlack":12.72,"contrastWhite":1.65,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Coral","hex":"#FF7F50","family":"orange","bestTextColor":"#000000","contrastBlack":8.4,"contrastWhite":2.5,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Coral Reef","hex":"#FD7C6E","family":"red","bestTextColor":"#000000","contrastBlack":8.28,"contrastWhite":2.54,"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/fc6b55.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/tomato.json","https://www.colorsencyclopedia.com/api/colors/coral.json","https://www.colorsencyclopedia.com/api/colors/burnt-sienna.json"]}
Harmonies
{"complementary":"#54E6FC","analogous":["#FC5492","#FCBF54"],"triadic":["#54FC6B","#6B54FC"],"tetradic":["#92FC54","#54E6FC","#BF54FC"],"splitComplementary":["#54FCBF","#5492FC"],"monochromatic":["#FEB9AF","#FC6B55","#F12304"]}
Variants
{"light":"#FEB9AF","dark":"#F12304","saturated":"#FF6952","desaturated":"#E97967","pastel":"#FBDAD5","neon":"#FF8C7A"}
Nearest named colors
[{"slug":"tomato","name":"Tomato","hex":"#FF6347","distance":16.401219466856727},{"slug":"coral","name":"Coral","hex":"#FF7F50","distance":20.83266665599966},{"slug":"burnt-sienna","name":"Burnt Sienna","hex":"#E97451","distance":21.400934559032695},{"slug":"terracotta","name":"Terracotta","hex":"#E2725B","distance":27.586228448267445},{"slug":"coral-reef","name":"Coral Reef","hex":"#FD7C6E","distance":30.24896692450835}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #FC6B55

#FC6B55 is classified as a warm red value with vibrant visual character. #FC6B55 is visually closest to Tomato, a named red color with HEX #FF6347.

The RGB channels are 252, 107, and 85, with red carrying the strongest channel weight. In HSL, the hue is 8deg with 97% saturation and 66% 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 0.3187, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 16.40, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.37:1AA Pass
White text2.85:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FC6B55 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.37:1 · AAA
White text#FFFFFF2.85:1 · Fail

Accessible Alternatives

#54E6FC#000000 text · best 14.1:1#54E6FC
#FEB9AF#000000 text · best 12.77:1#FEB9AF
#FCBF54#000000 text · best 12.72:1#FCBF54
Coral#000000 text · best 8.4:1#FF7F50
Coral Reef#000000 text · best 8.28:1#FD7C6E

Generated Palette

#FC6B55#FC6B55
#54E6FC#54E6FC
#FC5492#FC5492
#FCBF54#FCBF54
#FEB9AF#FEB9AF
#F12304#F12304

Color Harmonies

#54E6FC#54E6FC
#FC5492#FC5492
#FCBF54#FCBF54
#54FC6B#54FC6B
#6B54FC#6B54FC

Variants

#FEB9AF#FEB9AF
#F12304#F12304
#FF6952#FF6952
#E97967#E97967
#FBDAD5#FBDAD5
#FF8C7A#FF8C7A

Nearest Named Colors

Tomato#FF6347
Coral#FF7F50
Burnt Sienna#E97451
Terracotta#E2725B
Coral Reef#FD7C6E

Related HEX Guides

Tomato colorOpen the nearest named color reference for #FF6347.Coral colorOpen the nearest named color reference for #FF7F50.Burnt Sienna colorOpen the nearest named color reference for #E97451.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.#FC6B55 APIOpen the machine-readable JSON record for this HEX value.