Colors Encyclopedia

HEX atlas value

#AA3303

#AA3303 is a warm orange HEX color close to Pompeian Red. According to Colors Encyclopedia, it converts to RGB 170, 51, 3, HSL 17, 97%, 34%, has luminance 0.1092, and belongs to the balanced group.

orangewarmbalanced
#AA3303 Sample readable text
HEX #AA3303
RGB rgb(170, 51, 3)
HSL hsl(17 97% 34%)
CMYK cmyk(0, 70, 98, 33)
Luminance 0.1092
Contrast Black 3.18:1White 6.6:1

CSS

--color-aa3303: #AA3303;
.background-aa3303 { background-color: #AA3303; }
.text-aa3303 { color: #AA3303; }

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
Luminance0.1092
Black text3.18:1AA Fail
White text6.6:1AA 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":"#AA3303","rgb":[170,51,3],"hsl":[17,97,34],"cmyk":[0,70,98,33],"luminance":0.1092,"contrast":{"black":3.18,"white":6.6}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.18,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":6.6,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#501801","hex":"#501801","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.47,"contrastWhite":14.27,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#AB0327","hex":"#AB0327","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.77,"contrastWhite":7.57,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Pompeian Red","hex":"#A42A04","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.91,"contrastWhite":7.21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Saddle Brown","hex":"#8B4513","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.96,"contrastWhite":7.1,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#983B16","hex":"#983B16","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.97,"contrastWhite":7.07,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]
AI context
{"semanticGroups":["warm orange","balanced","balanced orange","Pompeian Red adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/aa3303.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/pompeian-red.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/mahogany.json"]}
Harmonies
{"complementary":"#037BAB","analogous":["#AB0327","#AB8603"],"triadic":["#03AB32","#3203AB"],"tetradic":["#27AB03","#037BAB","#8603AB"],"splitComplementary":["#03AB86","#0327AB"],"monochromatic":["#FB510E","#AA3303","#501801"]}
Variants
{"light":"#FB510E","dark":"#501801","saturated":"#AD3100","desaturated":"#983B16","pastel":"#EC7141","neon":"#D63D00"}
Nearest named colors
[{"slug":"pompeian-red","name":"Pompeian Red","hex":"#A42A04","distance":10.862780491200215},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":22.045407685048602},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":25.729360660537214},{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":36.24913792078372},{"slug":"saddle-brown","name":"Saddle Brown","hex":"#8B4513","distance":39.25557285278104}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #AA3303

#AA3303 is classified as a warm orange value with balanced visual character. #AA3303 is visually closest to Pompeian Red, a named red color with HEX #A42A04.

The RGB channels are 170, 51, and 3, with red carrying the strongest channel weight. In HSL, the hue is 17deg 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, and CSS color tokens. Its luminance is 0.1092, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 10.86, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.18:1AA Fail
White text6.6:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #AA3303 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.18:1 · Fail
White text#FFFFFF6.6:1 · AA

Accessible Alternatives

#501801#FFFFFF text · best 14.27:1#501801
#AB0327#FFFFFF text · best 7.57:1#AB0327
Pompeian Red#FFFFFF text · best 7.21:1#A42A04
Saddle Brown#FFFFFF text · best 7.1:1#8B4513
#983B16#FFFFFF text · best 7.07:1#983B16

Generated Palette

#AA3303#AA3303
#037BAB#037BAB
#AB0327#AB0327
#AB8603#AB8603
#FB510E#FB510E
#501801#501801

Color Harmonies

#037BAB#037BAB
#AB0327#AB0327
#AB8603#AB8603
#03AB32#03AB32
#3203AB#3203AB

Variants

#FB510E#FB510E
#501801#501801
#AD3100#AD3100
#983B16#983B16
#EC7141#EC7141
#D63D00#D63D00

Nearest Named Colors

Pompeian Red#A42A04
Rust#B7410E
Mahogany#C04000
Firebrick#B22222
Saddle Brown#8B4513

Related HEX Guides

Pompeian Red colorOpen the nearest named color reference for #A42A04.Rust colorOpen the nearest named color reference for #B7410E.Mahogany colorOpen the nearest named color reference for #C04000.Orange color familyBrowse named orange colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Balanced colorsFind colors in the balanced 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.#AA3303 APIOpen the machine-readable JSON record for this HEX value.