Colors Encyclopedia

HEX atlas value

#A66359

#A66359 is a warm red HEX color close to Caramel. According to Colors Encyclopedia, it converts to RGB 166, 99, 89, HSL 8, 30%, 50%, has luminance 0.1775, and belongs to the balanced group.

redwarmbalanced
#A66359 Sample readable text
HEX #A66359
RGB rgb(166, 99, 89)
HSL hsl(8 30% 50%)
CMYK cmyk(0, 40, 46, 35)
Luminance 0.1775
Contrast Black 4.55:1White 4.62:1

CSS

--color-a66359: #A66359;
.background-a66359 { background-color: #A66359; }
.text-a66359 { color: #A66359; }

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
Luminance0.1775
Black text4.55:1AA Pass
White text4.62:1AA 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":"#A66359","rgb":[166,99,89],"hsl":[8,30,50],"cmyk":[0,40,46,35],"luminance":0.1775,"contrast":{"black":4.55,"white":4.62}}
WCAG
{"AA":["#000000","#FFFFFF"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.55,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.62,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#6A4039","hex":"#6A4039","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.41,"contrastWhite":8.73,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#C69B95","hex":"#C69B95","family":"red","bestTextColor":"#000000","contrastBlack":8.52,"contrastWhite":2.46,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#599CA6","hex":"#599CA6","family":"cyan","bestTextColor":"#000000","contrastBlack":6.73,"contrastWhite":3.12,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#A68A59","hex":"#A68A59","family":"orange","bestTextColor":"#000000","contrastBlack":6.4,"contrastWhite":3.28,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"Adobe","hex":"#BD6C48","family":"orange","bestTextColor":"#000000","contrastBlack":5.4,"contrastWhite":3.89,"wcagAA":["#000000"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","balanced","balanced red","Caramel adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-attention visual states"],"contrastSafeWith":["#000000","#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a66359.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/caramel.json","https://www.colorsencyclopedia.com/api/colors/clay.json","https://www.colorsencyclopedia.com/api/colors/oak.json"]}
Harmonies
{"complementary":"#599CA6","analogous":["#A65975","#A68A59"],"triadic":["#59A663","#6359A6"],"tetradic":["#75A659","#599CA6","#8A59A6"],"splitComplementary":["#59A68A","#5975A6"],"monochromatic":["#C69B95","#A66359","#6A4039"]}
Variants
{"light":"#C69B95","dark":"#6A4039","saturated":"#C24F3D","desaturated":"#8A7875","pastel":"#C9B8B6","neon":"#FF4529"}
Nearest named colors
[{"slug":"caramel","name":"Caramel","hex":"#AF6E4D","distance":18.601075237738275},{"slug":"clay","name":"Clay","hex":"#B66A50","distance":19.6468827043885},{"slug":"oak","name":"Oak","hex":"#A8754F","distance":20.688160865577203},{"slug":"desert-clay","name":"Desert Clay","hex":"#B86D4B","distance":24.899799195977465},{"slug":"adobe","name":"Adobe","hex":"#BD6C48","distance":29.9833287011299}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #A66359

#A66359 is classified as a warm red value with balanced visual character. #A66359 is visually closest to Caramel, a named orange color with HEX #AF6E4D.

The RGB channels are 166, 99, and 89, with red carrying the strongest channel weight. In HSL, the hue is 8deg with 30% saturation and 50% lightness, so this page treats it as a low-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 0.1775, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.60, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.55:1AA Pass
White text4.62:1AA Pass

AA text options: #000000, #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A66359 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.55:1 · AA
White text#FFFFFF4.62:1 · AA

Accessible Alternatives

#6A4039#FFFFFF text · best 8.73:1#6A4039
#C69B95#000000 text · best 8.52:1#C69B95
#599CA6#000000 text · best 6.73:1#599CA6
#A68A59#000000 text · best 6.4:1#A68A59
Adobe#000000 text · best 5.4:1#BD6C48

Generated Palette

#A66359#A66359
#599CA6#599CA6
#A65975#A65975
#A68A59#A68A59
#C69B95#C69B95
#6A4039#6A4039

Color Harmonies

#599CA6#599CA6
#A65975#A65975
#A68A59#A68A59
#59A663#59A663
#6359A6#6359A6

Variants

#C69B95#C69B95
#6A4039#6A4039
#C24F3D#C24F3D
#8A7875#8A7875
#C9B8B6#C9B8B6
#FF4529#FF4529

Nearest Named Colors

Caramel#AF6E4D
Clay#B66A50
Oak#A8754F
Desert Clay#B86D4B
Adobe#BD6C48

Related HEX Guides

Caramel colorOpen the nearest named color reference for #AF6E4D.Clay colorOpen the nearest named color reference for #B66A50.Oak colorOpen the nearest named color reference for #A8754F.Red color familyBrowse named red 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.#A66359 APIOpen the machine-readable JSON record for this HEX value.