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Cobalt Silk Muted
Color detail

Cobalt Silk Muted

Blue · Hue 220
Hex
#9FA9BC
RGB
rgb(159, 169, 188)
HSL
hsl(220, 18%, 68%)
CMYK
cmyk(15%, 10%, 0%, 26%)
Metrics
S 18% · 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

Cobalt Silk Muted (#9FA9BC) belongs to the blue family — hue 220°, 18% 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-cobalt-silk-muted: #9FA9BC;
  --colorarchive-cobalt-silk-muted-hsl: hsl(220, 18%, 68%);
  --colorarchive-cobalt-silk-muted-rgb: rgb(159, 169, 188);
}

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 grounded mid-tone — sober, considered, well-suited to body text accents, editorial layouts, or any context where restraint reads as quality.

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 low saturation pulls this color toward earthen, vintage, or editorial palettes. It reads as confident and grown-up rather than playful, and it tolerates being used in large blocks without becoming visually noisy.

Brands using a similar color

Within the public brand-guidelines reference catalog, these are the closest matches to #9FA9BC.

  • Redditsecondary
    Periwinkle · #7193FF
    →
  • Notionneutral
    Notion Gray · #787774
    →
  • Microsoftneutral
    Slate Gray · #737373
    →

Cultures using a similar color

From the cultural-palette catalog, these regions feature a color close to #9FA9BC.

  • ScandinaviaAsh Grey
    #A8AAA5 · Birch and ash bark
    →
  • Greece (Aegean)Olive Silver
    #9CA38F · Olea europaea leaf undersides
    →
  • China (Traditional)Celadon (青瓷)
    #9CB48F · Song Dynasty Longquan kilns
    →

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
Cobalt Bloom Muted
#B7BECD · hsl(220, 18%, 76%)
Darker companion
Cobalt Tone Muted
#8793AB · hsl(220, 18%, 60%)
Complementary counterpoint
Apricot Silk Muted
#BCB29F · hsl(40, 18%, 68%)
Analogous lead
Amethyst Silk Muted
#A19FBC · hsl(245, 18%, 68%)
Analogous echo
Azure Silk Muted
#9FB2BC · hsl(200, 18%, 68%)
Triadic +120°
Garnet Silk Muted
#BC9FA9 · hsl(340, 18%, 68%)
Triadic +240°
Moss Silk Muted
#A9BC9F · hsl(100, 18%, 68%)
Split-comp +150°
Ruby Silk Muted
#BCA49F · hsl(10, 18%, 68%)
Split-comp +210°
Honey Silk Muted
#B7BC9F · hsl(70, 18%, 68%)
Export preview
Base: Cobalt Silk Muted #9FA9BC
Lighter companion: Cobalt Bloom Muted #B7BECD
Darker companion: Cobalt Tone Muted #8793AB
Complementary counterpoint: Apricot Silk Muted #BCB29F
Analogous lead: Amethyst Silk Muted #A19FBC
Analogous echo: Azure Silk Muted #9FB2BC
Triadic +120°: Garnet Silk Muted #BC9FA9
Triadic +240°: Moss Silk Muted #A9BC9F
Split-comp +150°: Ruby Silk Muted #BCA49F
Split-comp +210°: Honey Silk Muted #B7BC9F

Compare

See how Cobalt Silk Muted compares side by side with related colors.

vsCobalt Bloom MutedvsCobalt Tone MutedvsApricot Silk MutedvsAmethyst Silk MutedvsAzure Silk MutedvsGarnet Silk Muted

Nearest neighbors

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

Search by hex
Nearby match
Cobalt Silk Faint
#A5ABB6 · hsl(220, 10%, 68%)
Nearby match
Cobalt Silk Dust
#98A6C3 · hsl(220, 26%, 68%)
Nearby match
Cobalt Tone Muted
#8793AB · hsl(220, 18%, 60%)
Nearby match
Cobalt Bloom Muted
#B7BECD · hsl(220, 18%, 76%)
Nearby match
Cobalt Silk Soft
#92A4C9 · hsl(220, 34%, 68%)
Nearby match
Cobalt Tone Faint
#8F96A3 · hsl(220, 10%, 60%)

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
Crimson Ink Dust
#2D1A1A
AAA7:1
Crimson Ink Soft
#301818
AAA7.1:1
Crimson Ink Clear
#371010
AAA7.1:1
Crimson Ink Vivid
#3E0909

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#A3A2B7
Protanopia
#A3A4B8
Tritanopia
#A0B4B3
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