Blue

Periwinkle

#CCCCFF
HEX
#CCCCFF
RGB
rgb(204, 204, 255)
HSL
hsl(240, 100%, 90%)

Blue family

About Periwinkle

Periwinkle (#CCCCFF) is a very light, vivid blue. Blue is the world's most popular favorite color, associated with trust, calm and depth, and this shade carries that steady, dependable character.

Psychology

Blue lowers stress and is associated with trust, intelligence and reliability. It is the color of stability and competence, which is why so many banks, insurers and technology companies build their brands around it.

Applications

Blue dominates corporate, financial, healthcare and technology design. Light blues feel airy and clean, while deep blues convey authority and luxury. It is also the default for links and primary buttons in countless interfaces.

History

Ultramarine was once made from ground lapis lazuli and was more expensive than gold, reserved for the robes of the Virgin Mary in Renaissance art. Prussian blue and synthetic ultramarine later made blue affordable and ubiquitous.

Meaning

Blue commonly means trust, peace, loyalty and wisdom. In some cultures it is protective, in others it signifies sadness, and it is widely used in flags and institutions to project stability.

Why use this color

Choose blue when you want to build trust, calm and professionalism. It is the safest choice for corporate and financial brands and for interfaces where clarity and reliability matter most.

Accessibility

Against white, #CCCCFF has a 1.5:1 contrast ratio; against black it is 13.6:1. Black text on #CCCCFF meets WCAG AA for normal text.

Fun facts

  • Blue is the most commonly cited favorite color worldwide.
  • Ultramarine was once more expensive than gold because it came from lapis lazuli.
  • Blue light has a short wavelength, which is why the sky and distant mountains look blue.

Shades, tints & tones

Variations

Ten lightness steps plus Periwinkle's tints, shades and tones — every swatch copies its hex on click.

Lightness scale

Tints (toward white)

Shades (toward black)

Tones (toward gray)

Color theory

Color harmonies

Proven schemes built around Periwinkle. Each swatch is one click from your clipboard.

Complementary

#ccccff#ffffcc

Analogous

#cce6ff#ccccff#e6ccff

Triadic

#ccccff#ffcccc#ccffcc

Split-complementary

#ccccff#ffe6cc#e6ffcc

Tetradic

#ccccff#ffcce6#ffffcc#ccffe6

Monochromatic

#00004d#0000a3#0000ff#5c5cff#b3b3ff

Accessibility

Blindness simulator

See how Periwinkle is perceived with common types of color vision deficiency.

#CCCCFF

Normal vision

Standard trichromatic vision, shown for reference.

#bfd2ff

Protanopia

Red-blind. Reds look darker and can be confused with greens and browns.

#becffe

Deuteranopia

Green-blind. Greens look muted and can be confused with reds and browns.

#c1d5dd

Tritanopia

Blue-blind. Blues look greenish and yellows fade toward pink.

#d0d0d0

Achromatopsia

Complete color blindness. Everything is seen in shades of gray.

WCAG

Contrast checker

How Periwinkle performs against black and white text, with WCAG AA and AAA ratings.

AaWhite on Periwinkle
1.54:1
AAAAAAA LargeAAA Large
AaBlack on Periwinkle
13.65:1
AAAAAAA LargeAAA Large

The ratio is identical whether Periwinkle is used as the text or the background.

Open the full checker

Ready to use

Color palettes

Curated palettes that put Periwinkle to work, with copy-all support for each.

Complementary

Roughly 180° across the wheel from #CCCCFF (hue 240°) sits #ffffcc, held together by the #ffffff tint and the neutrals #f4f4f5 and #18181b.

Analogous

#CCCCFF with its two closest neighbours, #cce6ff and #e6ccff, for a 100%-saturation run that stays inside one family; #ffffff and #4d4dff add depth without breaking it.

Triadic

#CCCCFF plus #ffcccc and #ccffcc, a triangle that sits 120° apart at every corner, with #f4f4f5 and #18181b doing the quiet work underneath.

Monochromatic

One hue at 5 lightness steps: #ebebff through #00001f, starting from #CCCCFF at 90% lightness.

Periwinkle (#CCCCFF) is a blue-family color. Use its values, variations, harmonies and palettes above to put it to work in your next design.

Frequently asked questions

Periwinkle is #CCCCFF — rgb(204, 204, 255) / hsl(240, 100%, 90%). Periwinkle (#CCCCFF) is a very light, vivid blue. Blue is the world's most popular favorite color, associated with trust, calm and depth, and this shade carries that steady, dependable character.

Good to know

  • Periwinkle is one of 609 named colors in the library.
  • Its complementary hue sits 180° away on the color wheel: #ffffcc.

More color tools

Next steps for Periwinkle: each of these picks the value up where this page leaves off, so nothing gets retyped or re-uploaded.