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Sapphire Silk Clear
Color detail

Sapphire Silk Clear

Blue · Hue 210
Hex
#81ADD9
RGB
rgb(129, 173, 217)
HSL
hsl(210, 54%, 68%)
CMYK
cmyk(41%, 20%, 0%, 15%)
Metrics
S 54% · L 68%
Contrast (WCAG)
on white
2.4:1Fail
on black
8.9:1AA
Save to journalSign in to saveStart palette from thisRecent trail

About this color

Sapphire Silk Clear (#81ADD9) belongs to the blue family — hue 210°, 54% saturation, 68% lightness. Copy the hex, RGB, or HSL value above, or paste the CSS custom property below into your stylesheet to reference this color directly.

CSS
:root {
  --colorarchive-sapphire-silk-clear: #81ADD9;
  --colorarchive-sapphire-silk-clear-hsl: hsl(210, 54%, 68%);
  --colorarchive-sapphire-silk-clear-rgb: rgb(129, 173, 217);
}

AI Color Names

Let AI suggest alternative poetic names for this color in English and Chinese.

Design Context

SereneTrustworthyClean
Common in

Social Media · Cloud Storage · Baby Products

Pairs well with

Light gray for tech minimalism, peach for friendly warmth

Design tip

The default choice for tech and social platforms for good reason. Light blue backgrounds reduce anxiety and increase trust.

Cultural context ▶

Light blue represents peace, sky, and openness. It's the most universally liked color, making it safe for global brands.

Color Origins

Blue family

The most-loved color on the planet, and the most overused.

Heritage

Blue is the rarest pigment in the natural world — and so, historically, the most expensive. Ultramarine, ground from lapis lazuli mined only in Afghanistan, was worth more than gold in Renaissance Europe; Vermeer's bills were enormous because of how much he used. Egyptian blue (the first synthetic pigment, ~3000 BCE) was lost for centuries and rediscovered in the 19th. Prussian blue (1704) democratized blue overnight; Yves Klein's IKB (1960) re-aristocratized it.

Across cultures

In ancient Egypt blue was the color of the Nile and the heavens — sacred, protective. In China blue-and-white porcelain (qinghua) defined export ceramics for 600 years. In Mediterranean traditions blue wards off the evil eye. In post-WWII America, blue became the corporate default ('IBM blue'); in Japan, indigo (ai) is the centuries-old workwear dye that became the ground tone of an entire textile tradition. Across the world blue is consistently rated the most-liked color — sometimes by 35% margins.

In the wild

Facebook is blue because Mark Zuckerberg is red-green colorblind. IBM's blue dates to 1947. Levi's blue is the natural color of indigo on cotton. Twitter Blue (#1DA1F2) defined social-media blue for a decade before X scrapped it. Pixar's Up famously runs on a single complementary palette built on blue. The blue checkmark, the blue link, the blue 'send' button — blue has become the default color of digital trust, to the point of being a UX cliché.

How it reads

Blue recedes — physically, the eye focuses blue light slightly behind the retina, which makes blue elements feel deep or distant. It reads as trustworthy, calm, corporate, and (at the cool end) cold. Light blues read airy and clinical; mid blues are the default for tech and finance; deep blues read as luxurious or naval. The omnipresence of blue in software is real: most enterprise UIs reach for it because it offends the fewest stakeholders, which is also the reason it can feel like the absence of a real choice.

This particular tone

A confident mid-tone — this is the workhorse register of the hue, and the band where most successful brand colors live.

Lightness band: At mid-lightness the hue carries its full character. This is the band where most identity colors live: bright enough to be distinctive at small sizes, deep enough to sit cleanly on a white canvas.

Saturation band: The clear, mid-saturation register is the most common identity sweet spot — saturated enough to register as a 'real' color, restrained enough not to fight typography or photography placed over it.

Brands using a similar color

Within the public brand-guidelines reference catalog, these are the closest matches to #81ADD9.

  • Redditsecondary
    Periwinkle · #7193FF
    →
  • Slackaccent
    Slack Blue · #36C5F0
    →
  • Googleprimary
    Google Blue · #4285F4
    →

Cultures using a similar color

From the cultural-palette catalog, these regions feature a color close to #81ADD9.

  • MoroccoChefchaouen Blue
    #7BAFD4 · Painted medina walls (Rif mountains)
    →
  • IcelandGlacial Cyan
    #75BBC1 · Vatnajökull ice cave light
    →
  • Korea (Obangsaek)Celadon-Goryeo Green
    #7CA38E · Goryeo Dynasty ceramics, 12th-13th c.
    →

Tonal strip

All lightness levels at this hue and saturation. Click any to navigate.

Palette moves

Instead of stopping at one swatch, use nearby, opposite, and tonal neighbors to branch into a broader palette.

Lighter companion
Sapphire Bloom Clear
#A1C2E3 · hsl(210, 54%, 76%)
Darker companion
Sapphire Tone Clear
#6299D0 · hsl(210, 54%, 60%)
Complementary counterpoint
Coral Silk Clear
#D9AD81 · hsl(30, 54%, 68%)
Analogous lead
Indigo Silk Clear
#8190D9 · hsl(230, 54%, 68%)
Analogous echo
Cerulean Silk Clear
#81CBD9 · hsl(190, 54%, 68%)
Triadic +120°
Blush Silk Clear
#D981AD · hsl(330, 54%, 68%)
Triadic +240°
Lime Silk Clear
#ADD981 · hsl(90, 54%, 68%)
Split-comp +150°
Crimson Silk Clear
#D98181 · hsl(0, 54%, 68%)
Split-comp +210°
Citrine Silk Clear
#D9D981 · hsl(60, 54%, 68%)
Export preview
Base: Sapphire Silk Clear #81ADD9
Lighter companion: Sapphire Bloom Clear #A1C2E3
Darker companion: Sapphire Tone Clear #6299D0
Complementary counterpoint: Coral Silk Clear #D9AD81
Analogous lead: Indigo Silk Clear #8190D9
Analogous echo: Cerulean Silk Clear #81CBD9
Triadic +120°: Blush Silk Clear #D981AD
Triadic +240°: Lime Silk Clear #ADD981
Split-comp +150°: Crimson Silk Clear #D98181
Split-comp +210°: Citrine Silk Clear #D9D981

Compare

See how Sapphire Silk Clear compares side by side with related colors.

vsSapphire Bloom ClearvsSapphire Tone ClearvsCoral Silk ClearvsIndigo Silk ClearvsCerulean Silk ClearvsBlush Silk Clear

Nearest neighbors

The closest archive matches by hue, saturation, and lightness.

Search by hex
Nearby match
Steel Silk Clear
#81B5D9 · hsl(205, 54%, 68%)
Nearby match
Sapphire Tone Clear
#6299D0 · hsl(210, 54%, 60%)
Nearby match
Sapphire Bloom Clear
#A1C2E3 · hsl(210, 54%, 76%)
Nearby match
Sapphire Silk Soft
#92ADC9 · hsl(210, 34%, 68%)
Nearby match
Sapphire Silk Vivid
#71ADEA · hsl(210, 74%, 68%)
Nearby match
Sapphire Radiant Clear
#4A8AC9 · hsl(210, 54%, 54%)

Accessible pairings

Archive colors that meet WCAG contrast standards when paired with this color. Use as text-on-background or background-on-text.

Contrast checker
AAA7:1
Scarlet Ink Clear
#371410
AAA7:1
Scarlet Ink Vivid
#3E0E09
AAA7:1
Scarlet Ink Bright
#420B06
AAA7:1
Crimson Ink Dust
#2D1A1A
AAA7:1
Crimson Ink Soft
#301818
AAA7.2:1
Crimson Ink Clear
#371010

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#9390CD
Protanopia
#9696CF
Tritanopia
#84C7C6
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