HEX atlas value

#CCCCFF

#CCCCFF is a cool blue HEX color nearest Periwinkle. RGB 204, 204, 255, HSL 240° 100% 90%, luminance 0.6324; view contrast and conversions.

blue cool light pastel

#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; }

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.

Practical uses for this HEX value include 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#FFFFFF · #000000 text · best 21:1 #FFFFCC#FFFFCC · #000000 text · best 20.43:1 Milk Blue#D6EAF8 · #000000 text · best 16.98:1 #CCE5FF#CCE5FF · #000000 text · best 16.22:1 Arctic Blue#C6E6FB · #000000 text · best 16.11:1

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

Periwinkle#CCCCFF

Powder Lavender#DCD0FF

Arctic Blue#C6E6FB

Milk Blue#D6EAF8

Powder Sky#B7D9E8

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

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}]

#CCCCFF

CSS

About #CCCCFF

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides