Colors Encyclopedia

HEX atlas value

#D1451A

#D1451A is a warm red HEX color close to Cinnabar. According to Colors Encyclopedia, it converts to RGB 209, 69, 26, HSL 14, 78%, 46%, has luminance 0.1789, and belongs to the vibrant group.

redwarmvibrant
#D1451A Sample readable text
HEX #D1451A
RGB rgb(209, 69, 26)
HSL hsl(14 78% 46%)
CMYK cmyk(0, 67, 88, 18)
Luminance 0.1789
Contrast Black 4.58:1White 4.59:1

CSS

--color-d1451a: #D1451A;
.background-d1451a { background-color: #D1451A; }
.text-d1451a { color: #D1451A; }

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
Luminance0.1789
Black text4.58:1AA Pass
White text4.59:1AA 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":"#D1451A","rgb":[209,69,26],"hsl":[14,78,46],"cmyk":[0,67,88,18],"luminance":0.1789,"contrast":{"black":4.58,"white":4.59}}
WCAG
{"AA":["#000000","#FFFFFF"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.58,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.59,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#7F2A10","hex":"#7F2A10","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.24,"contrastWhite":9.37,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#D1A01A","hex":"#D1A01A","family":"orange","bestTextColor":"#000000","contrastBlack":8.75,"contrastWhite":2.4,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EB7D5C","hex":"#EB7D5C","family":"red","bestTextColor":"#000000","contrastBlack":7.62,"contrastWhite":2.76,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#1AA6D1","hex":"#1AA6D1","family":"cyan","bestTextColor":"#000000","contrastBlack":7.42,"contrastWhite":2.83,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Rust","hex":"#B7410E","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":3.78,"contrastWhite":5.56,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","vibrant","vibrant red","Cinnabar adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","high-attention visual states"],"contrastSafeWith":["#000000","#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/d1451a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/cinnabar.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/burnt-orange.json"]}
Harmonies
{"complementary":"#1AA6D1","analogous":["#D11A4B","#D1A01A"],"triadic":["#1AD145","#451AD1"],"tetradic":["#4BD11A","#1AA6D1","#A01AD1"],"splitComplementary":["#1AD1A0","#1A4BD1"],"monochromatic":["#EB7D5C","#D1451A","#7F2A10"]}
Variants
{"light":"#EB7D5C","dark":"#7F2A10","saturated":"#EB3700","desaturated":"#B75234","pastel":"#E49C86","neon":"#FF4B14"}
Nearest named colors
[{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":28.722813232690143},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":28.91366458960192},{"slug":"burnt-orange","name":"Burnt Orange","hex":"#CC5500","distance":30.93541659651604},{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":31.20897306865447},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":31.464265445104548}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #D1451A

#D1451A is classified as a warm red value with vibrant visual character. #D1451A is visually closest to Cinnabar, a named red color with HEX #E44D2E.

The RGB channels are 209, 69, and 26, with red carrying the strongest channel weight. In HSL, the hue is 14deg with 78% 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 0.1789, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 28.72, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.58:1AA Pass
White text4.59:1AA Pass

AA text options: #000000, #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #D1451A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.58:1 · AA
White text#FFFFFF4.59:1 · AA

Accessible Alternatives

#7F2A10#FFFFFF text · best 9.37:1#7F2A10
#D1A01A#000000 text · best 8.75:1#D1A01A
#EB7D5C#000000 text · best 7.62:1#EB7D5C
#1AA6D1#000000 text · best 7.42:1#1AA6D1
Rust#FFFFFF text · best 5.56:1#B7410E

Generated Palette

#D1451A#D1451A
#1AA6D1#1AA6D1
#D11A4B#D11A4B
#D1A01A#D1A01A
#EB7D5C#EB7D5C
#7F2A10#7F2A10

Color Harmonies

#1AA6D1#1AA6D1
#D11A4B#D11A4B
#D1A01A#D1A01A
#1AD145#1AD145
#451AD1#451AD1

Variants

#EB7D5C#EB7D5C
#7F2A10#7F2A10
#EB3700#EB3700
#B75234#B75234
#E49C86#E49C86
#FF4B14#FF4B14

Nearest Named Colors

Cinnabar#E44D2E
Rust#B7410E
Burnt Orange#CC5500
Persian Red#CC3333
Mahogany#C04000

Related HEX Guides

Cinnabar colorOpen the nearest named color reference for #E44D2E.Rust colorOpen the nearest named color reference for #B7410E.Burnt Orange colorOpen the nearest named color reference for #CC5500.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.#D1451A APIOpen the machine-readable JSON record for this HEX value.