Colors Encyclopedia

HEX atlas value

#FA3A05

#FA3A05 is a warm red HEX color close to Orange Red. According to Colors Encyclopedia, it converts to RGB 250, 58, 5, HSL 13, 96%, 50%, has luminance 0.2336, and belongs to the vibrant group.

redwarmvibrant
#FA3A05 Sample readable text
HEX #FA3A05
RGB rgb(250, 58, 5)
HSL hsl(13 96% 50%)
CMYK cmyk(0, 77, 98, 2)
Luminance 0.2336
Contrast Black 5.67:1White 3.7:1

CSS

--color-fa3a05: #FA3A05;
.background-fa3a05 { background-color: #FA3A05; }
.text-fa3a05 { color: #FA3A05; }

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
Luminance0.2336
Black text5.67:1AA Pass
White text3.7:1AA 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":"#FA3A05","rgb":[250,58,5],"hsl":[13,96,50],"cmyk":[0,77,98,2],"luminance":0.2336,"contrast":{"black":5.67,"white":3.7}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":5.67,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.7,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#FAB505","hex":"#FAB505","family":"orange","bestTextColor":"#000000","contrastBlack":11.68,"contrastWhite":1.8,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#05C5FA","hex":"#05C5FA","family":"cyan","bestTextColor":"#000000","contrastBlack":10.37,"contrastWhite":2.02,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FC815F","hex":"#FC815F","family":"red","bestTextColor":"#000000","contrastBlack":8.44,"contrastWhite":2.49,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#A02503","hex":"#A02503","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.76,"contrastWhite":7.61,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Hazard Orange","hex":"#FF6700","family":"orange","bestTextColor":"#000000","contrastBlack":7.19,"contrastWhite":2.92,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]
AI context
{"semanticGroups":["warm red","vibrant","vibrant red","Orange 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/fa3a05.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/orange-red.json","https://www.colorsencyclopedia.com/api/colors/international-orange.json","https://www.colorsencyclopedia.com/api/colors/scarlet.json"]}
Harmonies
{"complementary":"#05C5FA","analogous":["#FA054A","#FAB505"],"triadic":["#05FA3A","#3A05FA"],"tetradic":["#4AFA05","#05C5FA","#B505FA"],"splitComplementary":["#05FAB5","#054AFA"],"monochromatic":["#FC815F","#FA3A05","#A02503"]}
Variants
{"light":"#FC815F","dark":"#A02503","saturated":"#FF3700","desaturated":"#DE4A21","pastel":"#F3A28C","neon":"#FF5729"}
Nearest named colors
[{"slug":"orange-red","name":"Orange Red","hex":"#FF4500","distance":13.076696830622021},{"slug":"international-orange","name":"International Orange","hex":"#FF4F00","distance":22.15851980616034},{"slug":"scarlet","name":"Scarlet","hex":"#FF2400","distance":23.108440016582687},{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":45.4972526643093},{"slug":"hazard-orange","name":"Hazard Orange","hex":"#FF6700","distance":45.552167895721496}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #FA3A05

#FA3A05 is classified as a warm red value with vibrant visual character. #FA3A05 is visually closest to Orange Red, a named orange color with HEX #FF4500.

The RGB channels are 250, 58, and 5, with red carrying the strongest channel weight. In HSL, the hue is 13deg with 96% saturation and 50% 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 0.2336, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 13.08, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.67:1AA Pass
White text3.7:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FA3A05 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.67:1 · AA
White text#FFFFFF3.7:1 · Fail

Accessible Alternatives

#FAB505#000000 text · best 11.68:1#FAB505
#05C5FA#000000 text · best 10.37:1#05C5FA
#FC815F#000000 text · best 8.44:1#FC815F
#A02503#FFFFFF text · best 7.61:1#A02503
Hazard Orange#000000 text · best 7.19:1#FF6700

Generated Palette

#FA3A05#FA3A05
#05C5FA#05C5FA
#FA054A#FA054A
#FAB505#FAB505
#FC815F#FC815F
#A02503#A02503

Color Harmonies

#05C5FA#05C5FA
#FA054A#FA054A
#FAB505#FAB505
#05FA3A#05FA3A
#3A05FA#3A05FA

Variants

#FC815F#FC815F
#A02503#A02503
#FF3700#FF3700
#DE4A21#DE4A21
#F3A28C#F3A28C
#FF5729#FF5729

Nearest Named Colors

Orange Red#FF4500
International Orange#FF4F00
Scarlet#FF2400
Neon Orange#FF5F1F
Hazard Orange#FF6700

Related HEX Guides

Orange Red colorOpen the nearest named color reference for #FF4500.International Orange colorOpen the nearest named color reference for #FF4F00.Scarlet colorOpen the nearest named color reference for #FF2400.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.#FA3A05 APIOpen the machine-readable JSON record for this HEX value.