HEX atlas value

#F3ECEC

#F3ECEC is a warm red HEX color close to Marble White. According to Colors Encyclopedia, it converts to RGB 243, 236, 236, HSL 0, 23%, 94%, has luminance 0.851, and belongs to the light group.

#F3ECEC Sample readable text
HEX #F3ECEC
RGB rgb(243, 236, 236)
HSL hsl(0 23% 94%)
CMYK cmyk(0, 3, 3, 5)
Luminance 0.851
Contrast Black 18.02:1White 1.17:1

CSS

--color-f3ecec: #F3ECEC;
.background-f3ecec { background-color: #F3ECEC; }
.text-f3ecec { color: #F3ECEC; }

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
Luminance0.851
Black text18.02:1AA Pass
White text1.17:1AA Fail
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":"#F3ECEC","rgb":[243,236,236],"hsl":[0,23,94],"cmyk":[0,3,3,5],"luminance":0.851,"contrast":{"black":18.02,"white":1.17}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A","#36454F"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":18.02,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.17,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"White","hex":"#FFFFFF","family":"gray","bestTextColor":"#000000","contrastBlack":21,"contrastWhite":1,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Porcelain","hex":"#F2F3F4","family":"blue","bestTextColor":"#000000","contrastBlack":18.9,"contrastWhite":1.11,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#ECF3F3","hex":"#ECF3F3","family":"cyan","bestTextColor":"#000000","contrastBlack":18.68,"contrastWhite":1.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Linen White","hex":"#FAF0E6","family":"orange","bestTextColor":"#000000","contrastBlack":18.67,"contrastWhite":1.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F3F0EC","hex":"#F3F0EC","family":"orange","bestTextColor":"#000000","contrastBlack":18.49,"contrastWhite":1.14,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]
AI context
{"semanticGroups":["warm red","light","light red","Marble White adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","light surfaces","high-attention visual states"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/f3ecec.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/marble-white.json","https://www.colorsencyclopedia.com/api/colors/mercury.json","https://www.colorsencyclopedia.com/api/colors/linen.json"]}
Harmonies
{"complementary":"#ECF3F3","analogous":["#F3ECF0","#F3F0EC"],"triadic":["#ECF3EC","#ECECF3"],"tetradic":["#F0F3EC","#ECF3F3","#F0ECF3"],"splitComplementary":["#ECF3F0","#ECF0F3"],"monochromatic":["#FFFFFF","#F3ECEC","#D0B4B4"]}
Variants
{"light":"#FFFFFF","dark":"#D0B4B4","saturated":"#F7E9E9","desaturated":"#F0F0F0","pastel":"#FFFFFF","neon":"#FFFFFF"}
Nearest named colors
[{"slug":"marble-white","name":"Marble White","hex":"#F2F0E6","distance":7.280109889280518},{"slug":"mercury","name":"Mercury","hex":"#EBEBEB","distance":8.12403840463596},{"slug":"linen","name":"Linen","hex":"#FAF0E6","distance":10.04987562112089},{"slug":"linen-white","name":"Linen White","hex":"#FAF0E6","distance":10.04987562112089},{"slug":"porcelain","name":"Porcelain","hex":"#F2F3F4","distance":10.677078252031311}]

HEX meaning and use

About #F3ECEC

#F3ECEC is classified as a warm red value with light visual character. #F3ECEC is visually closest to Marble White, a named yellow color with HEX #F2F0E6.

The RGB channels are 243, 236, and 236, with red carrying the strongest channel weight. In HSL, the hue is 0deg with 23% saturation and 94% lightness, so this page treats it as a low-saturation, light 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 light surfaces. Its luminance is 0.851, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 7.28, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text18.02:1AA Pass
White text1.17:1AA Fail

AA text options: #000000, #1A1A1A, #36454F.

AAA text options: #000000, #1A1A1A, #36454F.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #F3ECEC needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000018.02:1 · AAA
White text#FFFFFF1.17:1 · Fail

Accessible Alternatives

White#000000 text · best 21:1#FFFFFF
Porcelain#000000 text · best 18.9:1#F2F3F4
#ECF3F3#000000 text · best 18.68:1#ECF3F3
Linen White#000000 text · best 18.67:1#FAF0E6
#F3F0EC#000000 text · best 18.49:1#F3F0EC

Generated Palette

#F3ECEC#F3ECEC
#ECF3F3#ECF3F3
#F3ECF0#F3ECF0
#F3F0EC#F3F0EC
White#FFFFFF
#D0B4B4#D0B4B4

Color Harmonies

#ECF3F3#ECF3F3
#F3ECF0#F3ECF0
#F3F0EC#F3F0EC
#ECF3EC#ECF3EC
#ECECF3#ECECF3

Variants

White#FFFFFF
#D0B4B4#D0B4B4
#F7E9E9#F7E9E9
#F0F0F0#F0F0F0
White#FFFFFF
White#FFFFFF

Nearest Named Colors