HEX atlas value

#E74E40

#E74E40 is a warm red HEX color close to Vermilion. According to Colors Encyclopedia, it converts to RGB 231, 78, 64, HSL 5, 78%, 58%, has luminance 0.2281, and belongs to the vibrant group.

red warm vibrant

#E74E40 Sample readable text

HEX #E74E40

RGB rgb(231, 78, 64)

HSL hsl(5 78% 58%)

CMYK cmyk(0, 66, 72, 9)

Luminance 0.2281

Contrast Black 5.56:1White 3.78:1

CSS

--color-e74e40: #E74E40;
.background-e74e40 { background-color: #E74E40; }
.text-e74e40 { color: #E74E40; }

Luminance0.2281

Black text5.56:1AA Pass

White text3.78:1AA 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":"#E74E40","rgb":[231,78,64],"hsl":[5,78,58],"cmyk":[0,66,72,9],"luminance":0.2281,"contrast":{"black":5.56,"white":3.78}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.56,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.78,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#40DAE7","hex":"#40DAE7","family":"cyan","bestTextColor":"#000000","contrastBlack":12.4,"contrastWhite":1.69,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F29A92","hex":"#F29A92","family":"red","bestTextColor":"#000000","contrastBlack":9.81,"contrastWhite":2.14,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#E7A240","hex":"#E7A240","family":"orange","bestTextColor":"#000000","contrastBlack":9.64,"contrastWhite":2.18,"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":"#B62416","hex":"#B62416","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.25,"contrastWhite":6.46,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm red","vibrant","vibrant red","Vermilion 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/e74e40.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/vermilion.json","https://www.colorsencyclopedia.com/api/colors/cinnabar.json","https://www.colorsencyclopedia.com/api/colors/tulip-red.json"]}

Harmonies

{"complementary":"#40DAE7","analogous":["#E74086","#E7A240"],"triadic":["#40E74E","#4E40E7"],"tetradic":["#86E740","#40DAE7","#A240E7"],"splitComplementary":["#40E7A2","#4086E7"],"monochromatic":["#F29A92","#E74E40","#B62416"]}

Variants

{"light":"#F29A92","dark":"#B62416","saturated":"#FF3B29","desaturated":"#D06258","pastel":"#EFBDB8","neon":"#FF6052"}

Nearest named colors

[{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":17.435595774162696},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":18.275666882497067},{"slug":"tulip-red","name":"Tulip Red","hex":"#FF4D4D","distance":27.313000567495326},{"slug":"poppy-red","name":"Poppy Red","hex":"#DC343B","distance":28.6705423736629},{"slug":"tomato","name":"Tomato","hex":"#FF6347","distance":32.64965543462902}]

HEX meaning and use

About #E74E40

#E74E40 is classified as a warm red value with vibrant visual character. #E74E40 is visually closest to Vermilion, a named red color with HEX #E34234.

The RGB channels are 231, 78, and 64, with red carrying the strongest channel weight. In HSL, the hue is 5deg with 78% saturation and 58% 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 0.2281, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 17.44, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.56:1AA Pass

White text3.78:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E74E40 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.56:1 · AA

White text#FFFFFF3.78:1 · Fail

Accessible Alternatives

#40DAE7#000000 text · best 12.4:1#40DAE7

#F29A92#000000 text · best 9.81:1#F29A92

#E7A240#000000 text · best 9.64:1#E7A240

Tomato#000000 text · best 7.13:1#FF6347

#B62416#FFFFFF text · best 6.46:1#B62416

Generated Palette

#E74E40#E74E40

#40DAE7#40DAE7

#E74086#E74086

#E7A240#E7A240

#F29A92#F29A92

#B62416#B62416

Color Harmonies

#40DAE7#40DAE7

#E74086#E74086

#E7A240#E7A240

#40E74E#40E74E

#4E40E7#4E40E7

Variants

#F29A92#F29A92

#B62416#B62416

#FF3B29#FF3B29

#D06258#D06258

#EFBDB8#EFBDB8

#FF6052#FF6052

Nearest Named Colors

Vermilion#E34234

Cinnabar#E44D2E

Tulip Red#FF4D4D

Poppy Red#DC343B

Tomato#FF6347

#E74E40

CSS

Machine-Readable HEX Data (JSON)

About #E74E40

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides