HEX atlas value

#FF4500

#FF4500 is a warm orange HEX color nearest Orange Red. RGB 255, 69, 0, HSL 16° 100% 50%, luminance 0.2552; view contrast and conversions.

orange warm vibrant

#FF4500 Sample readable text

HEX #FF4500

RGB rgb(255, 69, 0)

HSL hsl(16 100% 50%)

CMYK cmyk(0, 73, 100, 0)

Luminance 0.2552

Contrast Black 6.1:1White 3.44:1

CSS

--color-ff4500: #FF4500;
.background-ff4500 { background-color: #FF4500; }
.text-ff4500 { color: #FF4500; }

HEX meaning and use

About #FF4500

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

The RGB channels are 255, 69, and 0, with red carrying the strongest channel weight. In HSL, the hue is 16deg with 100% saturation and 50% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

Practical uses for this HEX value include color conversion, WCAG contrast checks, CSS color tokens, and high-energy accents. Its luminance is 0.2552, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.1:1AA Pass

White text3.44:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FF4500 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.1:1 · AA

White text#FFFFFF3.44:1 · Fail

Accessible Alternatives

#FFC300#FFC300 · #000000 text · best 13.06:1 #00BBFF#00BBFF · #000000 text · best 9.55:1 #FF875C#FF875C · #000000 text · best 8.87:1 #A32C00#A32C00 · #FFFFFF text · best 7.2:1 Hazard Orange#FF6700 · #000000 text · best 7.19:1

Generated Palette

Orange Red#FF4500

#00BBFF#00BBFF

#FF003B#FF003B

#FFC300#FFC300

#FF875C#FF875C

#A32C00#A32C00

Color Harmonies

#00BBFF#00BBFF

#FF003B#FF003B

#FFC300#FFC300

#00FF44#00FF44

#4400FF#4400FF

Variants

#FF875C#FF875C

#A32C00#A32C00

#FF4400#FF4400

#E3511C#E3511C

#F5A689#F5A689

#FF6229#FF6229

Nearest Named Colors

Orange Red#FF4500

International Orange#FF4F00

Scarlet#FF2400

Hazard Orange#FF6700

Neon Orange#FF5F1F

Luminance0.2552

Black text6.1:1AA Pass

White text3.44:1AA 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

Structured sections

Color systems

{"hex":"#FF4500","rgb":[255,69,0],"hsl":[16,100,50],"cmyk":[0,73,100,0],"luminance":0.2552,"contrast":{"black":6.1,"white":3.44}}

WCAG

{"AA":["#000000","#1A1A1A"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.1,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.44,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#FFC300","hex":"#FFC300","family":"yellow","bestTextColor":"#000000","contrastBlack":13.06,"contrastWhite":1.61,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#00BBFF","hex":"#00BBFF","family":"blue","bestTextColor":"#000000","contrastBlack":9.55,"contrastWhite":2.2,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FF875C","hex":"#FF875C","family":"orange","bestTextColor":"#000000","contrastBlack":8.87,"contrastWhite":2.37,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#A32C00","hex":"#A32C00","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.92,"contrastWhite":7.2,"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 orange","vibrant","vibrant orange","Orange Red adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/ff4500.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":"#00BBFF","analogous":["#FF003B","#FFC300"],"triadic":["#00FF44","#4400FF"],"tetradic":["#3BFF00","#00BBFF","#C300FF"],"splitComplementary":["#00FFC4","#003BFF"],"monochromatic":["#FF875C","#FF4500","#A32C00"]}

Variants

{"light":"#FF875C","dark":"#A32C00","saturated":"#FF4400","desaturated":"#E3511C","pastel":"#F5A689","neon":"#FF6229"}

Nearest named colors

[{"slug":"orange-red","name":"Orange Red","hex":"#FF4500","distance":0},{"slug":"international-orange","name":"International Orange","hex":"#FF4F00","distance":10},{"slug":"scarlet","name":"Scarlet","hex":"#FF2400","distance":33},{"slug":"hazard-orange","name":"Hazard Orange","hex":"#FF6700","distance":34},{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":40.45985664828782}]

#FF4500

CSS

About #FF4500

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides