Colors Encyclopedia

HEX atlas value

#E45858

#E45858 is a warm red HEX color close to Indian Red. According to Colors Encyclopedia, it converts to RGB 228, 88, 88, HSL 0, 72%, 62%, has luminance 0.2418, and belongs to the vibrant group.

redwarmvibrant
#E45858 Sample readable text
HEX #E45858
RGB rgb(228, 88, 88)
HSL hsl(0 72% 62%)
CMYK cmyk(0, 61, 61, 11)
Luminance 0.2418
Contrast Black 5.84:1White 3.6:1

CSS

--color-e45858: #E45858;
.background-e45858 { background-color: #E45858; }
.text-e45858 { color: #E45858; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.2418
Black text5.84:1AA Pass
White text3.6:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#E45858","rgb":[228,88,88],"hsl":[0,72,62],"cmyk":[0,61,61,11],"luminance":0.2418,"contrast":{"black":5.84,"white":3.6}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":5.84,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.6,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#58E4E4","hex":"#58E4E4","family":"cyan","bestTextColor":"#000000","contrastBlack":13.63,"contrastWhite":1.54,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F1A7A7","hex":"#F1A7A7","family":"red","bestTextColor":"#000000","contrastBlack":10.83,"contrastWhite":1.94,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#E49E58","hex":"#E49E58","family":"orange","bestTextColor":"#000000","contrastBlack":9.33,"contrastWhite":2.25,"wcagAA":["#000000","#1A1A1A"],"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","Indian Red 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/e45858.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/indian-red.json","https://www.colorsencyclopedia.com/api/colors/roman-red.json","https://www.colorsencyclopedia.com/api/colors/terracotta.json"]}
Harmonies
{"complementary":"#58E4E4","analogous":["#E4589E","#E49E58"],"triadic":["#58E458","#5858E4"],"tetradic":["#9EE458","#58E4E4","#9E58E4"],"splitComplementary":["#58E49E","#589EE4"],"monochromatic":["#F1A7A7","#E45858","#C11F1F"]}
Variants
{"light":"#F1A7A7","dark":"#C11F1F","saturated":"#F94343","desaturated":"#CF6E6E","pastel":"#F1CBCB","neon":"#FF6666"}
Nearest named colors
[{"slug":"indian-red","name":"Indian Red","hex":"#CD5C5C","distance":23.68543856465402},{"slug":"roman-red","name":"Roman Red","hex":"#CD5C5C","distance":23.68543856465402},{"slug":"terracotta","name":"Terracotta","hex":"#E2725B","distance":26.248809496813376},{"slug":"burnt-sienna","name":"Burnt Sienna","hex":"#E97451","distance":29.29163703175362},{"slug":"tulip-red","name":"Tulip Red","hex":"#FF4D4D","distance":31.160872901765767}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #E45858

#E45858 is classified as a warm red value with vibrant visual character. #E45858 is visually closest to Indian Red, a named red color with HEX #CD5C5C.

The RGB channels are 228, 88, and 88, with red carrying the strongest channel weight. In HSL, the hue is 0deg 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 0.2418, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 23.69, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.84:1AA Pass
White text3.6:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E45858 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.84:1 · AA
White text#FFFFFF3.6:1 · Fail

Accessible Alternatives

#58E4E4#000000 text · best 13.63:1#58E4E4
#F1A7A7#000000 text · best 10.83:1#F1A7A7
#E49E58#000000 text · best 9.33:1#E49E58
Burnt Sienna#000000 text · best 7.08:1#E97451
Terracotta#000000 text · best 6.79:1#E2725B

Generated Palette

#E45858#E45858
#58E4E4#58E4E4
#E4589E#E4589E
#E49E58#E49E58
#F1A7A7#F1A7A7
#C11F1F#C11F1F

Color Harmonies

#58E4E4#58E4E4
#E4589E#E4589E
#E49E58#E49E58
#58E458#58E458
#5858E4#5858E4

Variants

#F1A7A7#F1A7A7
#C11F1F#C11F1F
#F94343#F94343
#CF6E6E#CF6E6E
#F1CBCB#F1CBCB
#FF6666#FF6666

Nearest Named Colors

Indian Red#CD5C5C
Roman Red#CD5C5C
Terracotta#E2725B
Burnt Sienna#E97451
Tulip Red#FF4D4D

Related HEX Guides

Indian Red colorOpen the nearest named color reference for #CD5C5C.Roman Red colorOpen the nearest named color reference for #CD5C5C.Terracotta colorOpen the nearest named color reference for #E2725B.Red color familyBrowse named red colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Vibrant colorsFind colors in the vibrant group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#E45858 APIOpen the machine-readable JSON record for this HEX value.