HEX atlas value

#E45F58

#E45F58 is a warm red HEX color close to Terracotta. According to Colors Encyclopedia, it converts to RGB 228, 95, 88, HSL 3, 72%, 62%, has luminance 0.2538, and belongs to the vibrant group.

red warm vibrant

#E45F58 Sample readable text

HEX #E45F58

RGB rgb(228, 95, 88)

HSL hsl(3 72% 62%)

CMYK cmyk(0, 58, 61, 11)

Luminance 0.2538

Contrast Black 6.08:1White 3.46:1

CSS

--color-e45f58: #E45F58;
.background-e45f58 { background-color: #E45F58; }
.text-e45f58 { color: #E45F58; }

Luminance0.2538

Black text6.08:1AA Pass

White text3.46:1AA 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":"#E45F58","rgb":[228,95,88],"hsl":[3,72,62],"cmyk":[0,58,61,11],"luminance":0.2538,"contrast":{"black":6.08,"white":3.46}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.08,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.46,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#58DDE4","hex":"#58DDE4","family":"cyan","bestTextColor":"#000000","contrastBlack":12.88,"contrastWhite":1.63,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F1ABA7","hex":"#F1ABA7","family":"red","bestTextColor":"#000000","contrastBlack":11.12,"contrastWhite":1.89,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#E4A558","hex":"#E4A558","family":"orange","bestTextColor":"#000000","contrastBlack":9.82,"contrastWhite":2.14,"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":"Burnt Sienna","hex":"#E97451","family":"red","bestTextColor":"#000000","contrastBlack":7.08,"contrastWhite":2.97,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]

AI context

{"semanticGroups":["warm red","vibrant","vibrant red","Terracotta 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/e45f58.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/terracotta.json","https://www.colorsencyclopedia.com/api/colors/burnt-sienna.json","https://www.colorsencyclopedia.com/api/colors/indian-red.json"]}

Harmonies

{"complementary":"#58DDE4","analogous":["#E45897","#E4A558"],"triadic":["#58E45F","#5F58E4"],"tetradic":["#97E458","#58DDE4","#A558E4"],"splitComplementary":["#58E4A5","#5897E4"],"monochromatic":["#F1ABA7","#E45F58","#C1271F"]}

Variants

{"light":"#F1ABA7","dark":"#C1271F","saturated":"#F94C43","desaturated":"#CF726E","pastel":"#F1CDCB","neon":"#FF6E66"}

Nearest named colors

[{"slug":"terracotta","name":"Terracotta","hex":"#E2725B","distance":19.339079605813716},{"slug":"burnt-sienna","name":"Burnt Sienna","hex":"#E97451","distance":22.693611435820433},{"slug":"indian-red","name":"Indian Red","hex":"#CD5C5C","distance":23.53720459187964},{"slug":"roman-red","name":"Roman Red","hex":"#CD5C5C","distance":23.53720459187964},{"slug":"tomato","name":"Tomato","hex":"#FF6347","distance":32.155870381627054}]

HEX meaning and use

About #E45F58

#E45F58 is classified as a warm red value with vibrant visual character. #E45F58 is visually closest to Terracotta, a named orange color with HEX #E2725B.

The RGB channels are 228, 95, and 88, with red carrying the strongest channel weight. In HSL, the hue is 3deg with 72% saturation and 62% 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 0.2538, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 19.34, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.08:1AA Pass

White text3.46:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E45F58 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.08:1 · AA

White text#FFFFFF3.46:1 · Fail

Accessible Alternatives

#58DDE4#000000 text · best 12.88:1#58DDE4

#F1ABA7#000000 text · best 11.12:1#F1ABA7

#E4A558#000000 text · best 9.82:1#E4A558

Tomato#000000 text · best 7.13:1#FF6347

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

Generated Palette

#E45F58#E45F58

#58DDE4#58DDE4

#E45897#E45897

#E4A558#E4A558

#F1ABA7#F1ABA7

#C1271F#C1271F

Color Harmonies

#58DDE4#58DDE4

#E45897#E45897

#E4A558#E4A558

#58E45F#58E45F

#5F58E4#5F58E4

Variants

#F1ABA7#F1ABA7

#C1271F#C1271F

#F94C43#F94C43

#CF726E#CF726E

#F1CDCB#F1CDCB

#FF6E66#FF6E66

Nearest Named Colors

Terracotta#E2725B

Burnt Sienna#E97451

Indian Red#CD5C5C

Roman Red#CD5C5C

Tomato#FF6347

#E45F58

CSS

Machine-Readable HEX Data (JSON)

About #E45F58

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides