Colors Encyclopedia

HEX atlas value

#DF280C

#DF280C is a warm red HEX color close to Scarlet. According to Colors Encyclopedia, it converts to RGB 223, 40, 12, HSL 8, 90%, 46%, has luminance 0.1723, and belongs to the vibrant group.

redwarmvibrant
#DF280C Sample readable text
HEX #DF280C
RGB rgb(223, 40, 12)
HSL hsl(8 90% 46%)
CMYK cmyk(0, 82, 95, 13)
Luminance 0.1723
Contrast Black 4.45:1White 4.72:1

CSS

--color-df280c: #DF280C;
.background-df280c { background-color: #DF280C; }
.text-df280c { color: #DF280C; }

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
Luminance0.1723
Black text4.45:1AA Fail
White text4.72:1AA Pass
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":"#DF280C","rgb":[223,40,12],"hsl":[8,90,46],"cmyk":[0,82,95,13],"luminance":0.1723,"contrast":{"black":4.45,"white":4.72}}
WCAG
{"AA":["#FFFFFF"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.45,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.72,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#0CC3DF","hex":"#0CC3DF","family":"cyan","bestTextColor":"#000000","contrastBlack":9.89,"contrastWhite":2.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#881807","hex":"#881807","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.18,"contrastWhite":9.63,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#DF910C","hex":"#DF910C","family":"orange","bestTextColor":"#000000","contrastBlack":8.19,"contrastWhite":2.56,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#F66751","hex":"#F66751","family":"red","bestTextColor":"#000000","contrastBlack":6.98,"contrastWhite":3.01,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"Venetian Red","hex":"#C80815","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.5,"contrastWhite":6,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","vibrant","vibrant red","Scarlet adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","high-attention visual states"],"contrastSafeWith":["#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/df280c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/scarlet.json","https://www.colorsencyclopedia.com/api/colors/traffic-red.json","https://www.colorsencyclopedia.com/api/colors/venetian-red.json"]}
Harmonies
{"complementary":"#0CC3DF","analogous":["#DF0C59","#DF910C"],"triadic":["#0CDF28","#280CDF"],"tetradic":["#59DF0C","#0CC3DF","#910CDF"],"splitComplementary":["#0CDF91","#0C59DF"],"monochromatic":["#F66751","#DF280C","#881807"]}
Variants
{"light":"#F66751","dark":"#881807","saturated":"#EB1F00","desaturated":"#C53B26","pastel":"#ED8C7E","neon":"#FF3414"}
Nearest named colors
[{"slug":"scarlet","name":"Scarlet","hex":"#FF2400","distance":34.40930106817051},{"slug":"traffic-red","name":"Traffic Red","hex":"#CC0605","distance":39.57271787481876},{"slug":"venetian-red","name":"Venetian Red","hex":"#C80815","distance":40.422765862815474},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":41},{"slug":"signal-red","name":"Signal Red","hex":"#E60000","distance":42.34383071948026}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #DF280C

#DF280C is classified as a warm red value with vibrant visual character. #DF280C is visually closest to Scarlet, a named red color with HEX #FF2400.

The RGB channels are 223, 40, and 12, with red carrying the strongest channel weight. In HSL, the hue is 8deg with 90% saturation and 46% 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 0.1723, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 34.41, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.45:1AA Fail
White text4.72:1AA Pass

AA text options: #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #DF280C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.45:1 · Fail
White text#FFFFFF4.72:1 · AA

Accessible Alternatives

#0CC3DF#000000 text · best 9.89:1#0CC3DF
#881807#FFFFFF text · best 9.63:1#881807
#DF910C#000000 text · best 8.19:1#DF910C
#F66751#000000 text · best 6.98:1#F66751
Venetian Red#FFFFFF text · best 6:1#C80815

Generated Palette

#DF280C#DF280C
#0CC3DF#0CC3DF
#DF0C59#DF0C59
#DF910C#DF910C
#F66751#F66751
#881807#881807

Color Harmonies

#0CC3DF#0CC3DF
#DF0C59#DF0C59
#DF910C#DF910C
#0CDF28#0CDF28
#280CDF#280CDF

Variants

#F66751#F66751
#881807#881807
#EB1F00#EB1F00
#C53B26#C53B26
#ED8C7E#ED8C7E
#FF3414#FF3414

Nearest Named Colors

Scarlet#FF2400
Traffic Red#CC0605
Venetian Red#C80815
Mahogany#C04000
Signal Red#E60000

Related HEX Guides

Scarlet colorOpen the nearest named color reference for #FF2400.Traffic Red colorOpen the nearest named color reference for #CC0605.Venetian Red colorOpen the nearest named color reference for #C80815.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.#DF280C APIOpen the machine-readable JSON record for this HEX value.