HEX atlas value

#CCCCFF

#CCCCFF is a cool blue HEX color close to Periwinkle. According to Colors Encyclopedia, it converts to RGB 204, 204, 255, HSL 240, 100%, 90%, has luminance 0.6324, and belongs to the light and pastel groups.

#CCCCFF Sample readable text
HEX #CCCCFF
RGB rgb(204, 204, 255)
HSL hsl(240 100% 90%)
CMYK cmyk(20, 20, 0, 0)
Luminance 0.6324
Contrast Black 13.65:1White 1.54:1

CSS

--color-ccccff: #CCCCFF;
.background-ccccff { background-color: #CCCCFF; }
.text-ccccff { color: #CCCCFF; }

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
Luminance0.6324
Black text13.65:1AA Pass
White text1.54:1AA 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":"#CCCCFF","rgb":[204,204,255],"hsl":[240,100,90],"cmyk":[20,20,0,0],"luminance":0.6324,"contrast":{"black":13.65,"white":1.54}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":13.65,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.54,"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":"#FFFFCC","hex":"#FFFFCC","family":"yellow","bestTextColor":"#000000","contrastBlack":20.43,"contrastWhite":1.03,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Milk Blue","hex":"#D6EAF8","family":"blue","bestTextColor":"#000000","contrastBlack":16.98,"contrastWhite":1.24,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#CCE5FF","hex":"#CCE5FF","family":"blue","bestTextColor":"#000000","contrastBlack":16.22,"contrastWhite":1.29,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Arctic Blue","hex":"#C6E6FB","family":"blue","bestTextColor":"#000000","contrastBlack":16.11,"contrastWhite":1.3,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]
AI context
{"semanticGroups":["cool blue","light","pastel","light blue","pastel blue","Periwinkle adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","soft UI backgrounds","light surfaces","calm digital interfaces"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/ccccff.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/periwinkle.json","https://www.colorsencyclopedia.com/api/colors/powder-lavender.json","https://www.colorsencyclopedia.com/api/colors/arctic-blue.json"]}
Harmonies
{"complementary":"#FFFFCC","analogous":["#CCE5FF","#E5CCFF"],"triadic":["#FFCCCC","#CCFFCC"],"tetradic":["#FFCCE6","#FFFFCC","#CCFFE6"],"splitComplementary":["#FFE6CC","#E6FFCC"],"monochromatic":["#FFFFFF","#CCCCFF","#7070FF"]}
Variants
{"light":"#FFFFFF","dark":"#7070FF","saturated":"#CCCCFF","desaturated":"#D2D2F9","pastel":"#FFFFFF","neon":"#F5F5FF"}
Nearest named colors
[{"slug":"periwinkle","name":"Periwinkle","hex":"#CCCCFF","distance":0},{"slug":"powder-lavender","name":"Powder Lavender","hex":"#DCD0FF","distance":16.492422502470642},{"slug":"arctic-blue","name":"Arctic Blue","hex":"#C6E6FB","distance":26.981475126464083},{"slug":"milk-blue","name":"Milk Blue","hex":"#D6EAF8","distance":32.38826948140329},{"slug":"powder-sky","name":"Powder Sky","hex":"#B7D9E8","distance":33.74907406137241}]

HEX meaning and use

About #CCCCFF

#CCCCFF is classified as a cool blue value with light and pastel visual character. #CCCCFF is visually closest to Periwinkle, a named blue color with HEX #CCCCFF.

The RGB channels are 204, 204, and 255, with blue carrying the strongest channel weight. In HSL, the hue is 240deg with 100% saturation and 90% lightness, so this page treats it as a high-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 soft UI backgrounds. Its luminance is 0.6324, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text13.65:1AA Pass
White text1.54:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

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

Black text#00000013.65:1 · AAA
White text#FFFFFF1.54:1 · Fail

Accessible Alternatives

White#000000 text · best 21:1#FFFFFF
#FFFFCC#000000 text · best 20.43:1#FFFFCC
Milk Blue#000000 text · best 16.98:1#D6EAF8
#CCE5FF#000000 text · best 16.22:1#CCE5FF
Arctic Blue#000000 text · best 16.11:1#C6E6FB

Generated Palette

Periwinkle#CCCCFF
#FFFFCC#FFFFCC
#CCE5FF#CCE5FF
#E5CCFF#E5CCFF
White#FFFFFF
#7070FF#7070FF

Color Harmonies

#FFFFCC#FFFFCC
#CCE5FF#CCE5FF
#E5CCFF#E5CCFF
#FFCCCC#FFCCCC
#CCFFCC#CCFFCC

Variants

White#FFFFFF
#7070FF#7070FF
Periwinkle#CCCCFF
#D2D2F9#D2D2F9
White#FFFFFF
#F5F5FF#F5F5FF

Nearest Named Colors