HEX atlas value

#EF624D

#EF624D is a warm red HEX color close to Tomato. According to Colors Encyclopedia, it converts to RGB 239, 98, 77, HSL 8, 84%, 62%, has luminance 0.2762, and belongs to the vibrant group.

#EF624D Sample readable text
HEX #EF624D
RGB rgb(239, 98, 77)
HSL hsl(8 84% 62%)
CMYK cmyk(0, 59, 68, 6)
Luminance 0.2762
Contrast Black 6.52:1White 3.22:1

CSS

--color-ef624d: #EF624D;
.background-ef624d { background-color: #EF624D; }
.text-ef624d { color: #EF624D; }

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
Luminance0.2762
Black text6.52:1AA Pass
White text3.22:1AA 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":"#EF624D","rgb":[239,98,77],"hsl":[8,84,62],"cmyk":[0,59,68,6],"luminance":0.2762,"contrast":{"black":6.52,"white":3.22}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.52,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.22,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#4DDAEF","hex":"#4DDAEF","family":"cyan","bestTextColor":"#000000","contrastBlack":12.59,"contrastWhite":1.67,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F7ADA1","hex":"#F7ADA1","family":"red","bestTextColor":"#000000","contrastBlack":11.45,"contrastWhite":1.83,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EFB44D","hex":"#EFB44D","family":"orange","bestTextColor":"#000000","contrastBlack":11.31,"contrastWhite":1.86,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Coral","hex":"#FF7F50","family":"orange","bestTextColor":"#000000","contrastBlack":8.4,"contrastWhite":2.5,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Tomato","hex":"#FF6347","family":"red","bestTextColor":"#000000","contrastBlack":7.13,"contrastWhite":2.95,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]
AI context
{"semanticGroups":["warm red","vibrant","vibrant red","Tomato 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/ef624d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/tomato.json","https://www.colorsencyclopedia.com/api/colors/burnt-sienna.json","https://www.colorsencyclopedia.com/api/colors/terracotta.json"]}
Harmonies
{"complementary":"#4DDAEF","analogous":["#EF4D88","#EFB44D"],"triadic":["#4DEF62","#624DEF"],"tetradic":["#88EF4D","#4DDAEF","#B44DEF"],"splitComplementary":["#4DEFB4","#4D88EF"],"monochromatic":["#F7ADA1","#EF624D","#CE2B12"]}
Variants
{"light":"#F7ADA1","dark":"#CE2B12","saturated":"#FF573D","desaturated":"#DA7262","pastel":"#F5CDC7","neon":"#FF7A66"}
Nearest named colors
[{"slug":"tomato","name":"Tomato","hex":"#FF6347","distance":17.11724276862369},{"slug":"burnt-sienna","name":"Burnt Sienna","hex":"#E97451","distance":19.390719429665317},{"slug":"terracotta","name":"Terracotta","hex":"#E2725B","distance":24.919871588754223},{"slug":"tulip-red","name":"Tulip Red","hex":"#FF4D4D","distance":26.40075756488817},{"slug":"coral","name":"Coral","hex":"#FF7F50","distance":33.25657829663178}]

HEX meaning and use

About #EF624D

#EF624D is classified as a warm red value with vibrant visual character. #EF624D is visually closest to Tomato, a named red color with HEX #FF6347.

The RGB channels are 239, 98, and 77, with red carrying the strongest channel weight. In HSL, the hue is 8deg with 84% 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 0.2762, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 17.12, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.52:1AA Pass
White text3.22:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #EF624D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.52:1 · AA
White text#FFFFFF3.22:1 · Fail

Accessible Alternatives

#4DDAEF#000000 text · best 12.59:1#4DDAEF
#F7ADA1#000000 text · best 11.45:1#F7ADA1
#EFB44D#000000 text · best 11.31:1#EFB44D
Coral#000000 text · best 8.4:1#FF7F50
Tomato#000000 text · best 7.13:1#FF6347

Generated Palette

#EF624D#EF624D
#4DDAEF#4DDAEF
#EF4D88#EF4D88
#EFB44D#EFB44D
#F7ADA1#F7ADA1
#CE2B12#CE2B12

Color Harmonies

#4DDAEF#4DDAEF
#EF4D88#EF4D88
#EFB44D#EFB44D
#4DEF62#4DEF62
#624DEF#624DEF

Variants

#F7ADA1#F7ADA1
#CE2B12#CE2B12
#FF573D#FF573D
#DA7262#DA7262
#F5CDC7#F5CDC7
#FF7A66#FF7A66

Nearest Named Colors