HEX atlas value

#AA1F03

#AA1F03 is a warm red HEX color close to Pompeian Red. According to Colors Encyclopedia, it converts to RGB 170, 31, 3, HSL 10, 97%, 34%, has luminance 0.0953, and belongs to the balanced group.

#AA1F03 Sample readable text
HEX #AA1F03
RGB rgb(170, 31, 3)
HSL hsl(10 97% 34%)
CMYK cmyk(0, 82, 98, 33)
Luminance 0.0953
Contrast Black 2.91:1White 7.23:1

CSS

--color-aa1f03: #AA1F03;
.background-aa1f03 { background-color: #AA1F03; }
.text-aa1f03 { color: #AA1F03; }

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
Luminance0.0953
Black text2.91:1AA Fail
White text7.23:1AA 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":"#AA1F03","rgb":[170,31,3],"hsl":[10,97,34],"cmyk":[0,82,98,33],"luminance":0.0953,"contrast":{"black":2.91,"white":7.23}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":2.91,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":7.23,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"#500E01","hex":"#500E01","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.4,"contrastWhite":14.96,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Crimson Red","hex":"#990000","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.35,"contrastWhite":8.92,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Cranberry","hex":"#9F000F","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.48,"contrastWhite":8.46,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Ruby Red","hex":"#9B111E","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.49,"contrastWhite":8.43,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#982B16","hex":"#982B16","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.69,"contrastWhite":7.8,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm red","balanced","balanced red","Pompeian Red adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/aa1f03.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/pompeian-red.json","https://www.colorsencyclopedia.com/api/colors/firebrick.json","https://www.colorsencyclopedia.com/api/colors/ruby-red.json"]}
Harmonies
{"complementary":"#038FAB","analogous":["#AB033B","#AB7303"],"triadic":["#03AB1F","#1F03AB"],"tetradic":["#3BAB03","#038FAB","#7303AB"],"splitComplementary":["#03AB73","#033BAB"],"monochromatic":["#FB350E","#AA1F03","#500E01"]}
Variants
{"light":"#FB350E","dark":"#500E01","saturated":"#AD1D00","desaturated":"#982B16","pastel":"#EC5D41","neon":"#D62400"}
Nearest named colors
[{"slug":"pompeian-red","name":"Pompeian Red","hex":"#A42A04","distance":12.569805089976535},{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":32.155870381627054},{"slug":"ruby-red","name":"Ruby Red","hex":"#9B111E","distance":33.91164991562634},{"slug":"cranberry","name":"Cranberry","hex":"#9F000F","distance":35.014282800023196},{"slug":"crimson-red","name":"Crimson Red","hex":"#990000","distance":35.482389998420345}]

HEX meaning and use

About #AA1F03

#AA1F03 is classified as a warm red value with balanced visual character. #AA1F03 is visually closest to Pompeian Red, a named red color with HEX #A42A04.

The RGB channels are 170, 31, and 3, with red carrying the strongest channel weight. In HSL, the hue is 10deg with 97% saturation and 34% 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-attention visual states. Its luminance is 0.0953, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 12.57, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text2.91:1AA Fail
White text7.23:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #AA1F03 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.91:1 · Fail
White text#FFFFFF7.23:1 · AAA

Accessible Alternatives

#500E01#FFFFFF text · best 14.96:1#500E01
Crimson Red#FFFFFF text · best 8.92:1#990000
Cranberry#FFFFFF text · best 8.46:1#9F000F
Ruby Red#FFFFFF text · best 8.43:1#9B111E
#982B16#FFFFFF text · best 7.8:1#982B16

Generated Palette

#AA1F03#AA1F03
#038FAB#038FAB
#AB033B#AB033B
#AB7303#AB7303
#FB350E#FB350E
#500E01#500E01

Color Harmonies

#038FAB#038FAB
#AB033B#AB033B
#AB7303#AB7303
#03AB1F#03AB1F
#1F03AB#1F03AB

Variants

#FB350E#FB350E
#500E01#500E01
#AD1D00#AD1D00
#982B16#982B16
#EC5D41#EC5D41
#D62400#D62400

Nearest Named Colors