HEX atlas value

#F2370D

#F2370D is a warm red HEX color close to Orange Red. According to Colors Encyclopedia, it converts to RGB 242, 55, 13, HSL 11, 90%, 50%, has luminance 0.2164, and belongs to the vibrant group.

red warm vibrant

#F2370D Sample readable text

HEX #F2370D

RGB rgb(242, 55, 13)

HSL hsl(11 90% 50%)

CMYK cmyk(0, 77, 95, 5)

Luminance 0.2164

Contrast Black 5.33:1White 3.94:1

CSS

--color-f2370d: #F2370D;
.background-f2370d { background-color: #F2370D; }
.text-f2370d { color: #F2370D; }

Luminance0.2164

Black text5.33:1AA Pass

White text3.94:1AA 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":"#F2370D","rgb":[242,55,13],"hsl":[11,90,50],"cmyk":[0,77,95,5],"luminance":0.2164,"contrast":{"black":5.33,"white":3.94}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.33,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.94,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#0DC8F2","hex":"#0DC8F2","family":"cyan","bestTextColor":"#000000","contrastBlack":10.56,"contrastWhite":1.99,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F2AA0D","hex":"#F2AA0D","family":"orange","bestTextColor":"#000000","contrastBlack":10.53,"contrastWhite":1.99,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F77F64","hex":"#F77F64","family":"red","bestTextColor":"#000000","contrastBlack":8.17,"contrastWhite":2.57,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#9B2308","hex":"#9B2308","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.64,"contrastWhite":7.96,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"International Orange","hex":"#FF4F00","family":"orange","bestTextColor":"#000000","contrastBlack":6.37,"contrastWhite":3.3,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

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"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/f2370d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/orange-red.json","https://www.colorsencyclopedia.com/api/colors/scarlet.json","https://www.colorsencyclopedia.com/api/colors/international-orange.json"]}

Harmonies

{"complementary":"#0DC8F2","analogous":["#F20D55","#F2AA0D"],"triadic":["#0DF237","#370DF2"],"tetradic":["#55F20D","#0DC8F2","#AA0DF2"],"splitComplementary":["#0DF2AA","#0D55F2"],"monochromatic":["#F77F64","#F2370D","#9B2308"]}

Variants

{"light":"#F77F64","dark":"#9B2308","saturated":"#FF2F00","desaturated":"#D64929","pastel":"#EFA18F","neon":"#FF5029"}

Nearest named colors

[{"slug":"orange-red","name":"Orange Red","hex":"#FF4500","distance":23.108440016582687},{"slug":"scarlet","name":"Scarlet","hex":"#FF2400","distance":26.43860813280457},{"slug":"international-orange","name":"International Orange","hex":"#FF4F00","distance":30.23243291566195},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":42.05948168962618},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":42.555845661906424}]

HEX meaning and use

About #F2370D

#F2370D is classified as a warm red value with vibrant visual character. #F2370D is visually closest to Orange Red, a named orange color with HEX #FF4500.

The RGB channels are 242, 55, and 13, with red carrying the strongest channel weight. In HSL, the hue is 11deg with 90% 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 0.2164, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 23.11, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.33:1AA Pass

White text3.94:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #F2370D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.33:1 · AA

White text#FFFFFF3.94:1 · Fail

Accessible Alternatives

#0DC8F2#000000 text · best 10.56:1#0DC8F2

#F2AA0D#000000 text · best 10.53:1#F2AA0D

#F77F64#000000 text · best 8.17:1#F77F64

#9B2308#FFFFFF text · best 7.96:1#9B2308

International Orange#000000 text · best 6.37:1#FF4F00

Generated Palette

#F2370D#F2370D

#0DC8F2#0DC8F2

#F20D55#F20D55

#F2AA0D#F2AA0D

#F77F64#F77F64

#9B2308#9B2308

Color Harmonies

#0DC8F2#0DC8F2

#F20D55#F20D55

#F2AA0D#F2AA0D

#0DF237#0DF237

#370DF2#370DF2

Variants

#F77F64#F77F64

#9B2308#9B2308

#FF2F00#FF2F00

#D64929#D64929

#EFA18F#EFA18F

#FF5029#FF5029

Nearest Named Colors

Orange Red#FF4500

Scarlet#FF2400

International Orange#FF4F00

Cinnabar#E44D2E

Fire Opal#E95C20

#F2370D

CSS

Machine-Readable HEX Data (JSON)

About #F2370D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides