HEX atlas value

#E15B47

#E15B47 is a warm red HEX color close to Burnt Sienna. According to Colors Encyclopedia, it converts to RGB 225, 91, 71, HSL 8, 72%, 58%, has luminance 0.2394, and belongs to the vibrant group.

red warm vibrant

#E15B47 Sample readable text

HEX #E15B47

RGB rgb(225, 91, 71)

HSL hsl(8 72% 58%)

CMYK cmyk(0, 60, 68, 12)

Luminance 0.2394

Contrast Black 5.79:1White 3.63:1

CSS

--color-e15b47: #E15B47;
.background-e15b47 { background-color: #E15B47; }
.text-e15b47 { color: #E15B47; }

Luminance0.2394

Black text5.79:1AA Pass

White text3.63:1AA 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":"#E15B47","rgb":[225,91,71],"hsl":[8,72,58],"cmyk":[0,60,68,12],"luminance":0.2394,"contrast":{"black":5.79,"white":3.63}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.79,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.63,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#47CCE1","hex":"#47CCE1","family":"cyan","bestTextColor":"#000000","contrastBlack":10.99,"contrastWhite":1.91,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EEA196","hex":"#EEA196","family":"red","bestTextColor":"#000000","contrastBlack":10.17,"contrastWhite":2.06,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#E1A847","hex":"#E1A847","family":"orange","bestTextColor":"#000000","contrastBlack":9.89,"contrastWhite":2.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Burnt Sienna","hex":"#E97451","family":"red","bestTextColor":"#000000","contrastBlack":7.08,"contrastWhite":2.97,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Terracotta","hex":"#E2725B","family":"red","bestTextColor":"#000000","contrastBlack":6.79,"contrastWhite":3.09,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm red","vibrant","vibrant red","Burnt Sienna 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/e15b47.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/burnt-sienna.json","https://www.colorsencyclopedia.com/api/colors/cinnabar.json","https://www.colorsencyclopedia.com/api/colors/indian-red.json"]}

Harmonies

{"complementary":"#47CCE1","analogous":["#E1477F","#E1A847"],"triadic":["#47E15B","#5B47E1"],"tetradic":["#7FE147","#47CCE1","#A847E1"],"splitComplementary":["#47E1A8","#477FE1"],"monochromatic":["#EEA196","#E15B47","#AF301D"]}

Variants

{"light":"#EEA196","dark":"#AF301D","saturated":"#F94A2F","desaturated":"#C96D5E","pastel":"#ECC2BB","neon":"#FF6952"}

Nearest named colors

[{"slug":"burnt-sienna","name":"Burnt Sienna","hex":"#E97451","distance":28.089143810376278},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":28.809720581775867},{"slug":"indian-red","name":"Indian Red","hex":"#CD5C5C","distance":29.017236257093817},{"slug":"roman-red","name":"Roman Red","hex":"#CD5C5C","distance":29.017236257093817},{"slug":"terracotta","name":"Terracotta","hex":"#E2725B","distance":30.495901363953813}]

HEX meaning and use

About #E15B47

#E15B47 is classified as a warm red value with vibrant visual character. #E15B47 is visually closest to Burnt Sienna, a named red color with HEX #E97451.

The RGB channels are 225, 91, and 71, with red carrying the strongest channel weight. In HSL, the hue is 8deg with 72% 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 0.2394, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 28.09, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.79:1AA Pass

White text3.63:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E15B47 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.79:1 · AA

White text#FFFFFF3.63:1 · Fail

Accessible Alternatives

#47CCE1#000000 text · best 10.99:1#47CCE1

#EEA196#000000 text · best 10.17:1#EEA196

#E1A847#000000 text · best 9.89:1#E1A847

Burnt Sienna#000000 text · best 7.08:1#E97451

Terracotta#000000 text · best 6.79:1#E2725B

Generated Palette

#E15B47#E15B47

#47CCE1#47CCE1

#E1477F#E1477F

#E1A847#E1A847

#EEA196#EEA196

#AF301D#AF301D

Color Harmonies

#47CCE1#47CCE1

#E1477F#E1477F

#E1A847#E1A847

#47E15B#47E15B

#5B47E1#5B47E1

Variants

#EEA196#EEA196

#AF301D#AF301D

#F94A2F#F94A2F

#C96D5E#C96D5E

#ECC2BB#ECC2BB

#FF6952#FF6952

Nearest Named Colors

Burnt Sienna#E97451

Cinnabar#E44D2E

Indian Red#CD5C5C

Roman Red#CD5C5C

Terracotta#E2725B

#E15B47

CSS

Machine-Readable HEX Data (JSON)

About #E15B47

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides