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Indigo Core Clear
Color detail

Indigo Core Clear

Blue · Hue 230
Metrics
S 54% · L 48%
Contrast (WCAG)
on white7:1AAon black3:1Fail
Save to journalSign in to saveStart palette from thisRecent trail

About this color

Indigo Core Clear (#384EBC) belongs to the blue family — hue 230°, 54% saturation, 48% 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-indigo-core-clear: #384EBC;
  --colorarchive-indigo-core-clear-hsl: hsl(230, 54%, 48%);
  --colorarchive-indigo-core-clear-rgb: rgb(56, 78, 188);
}

AI Color Names

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

Design Context

ProfessionalReliableFocused
Common in

Banking · Insurance · Enterprise Software

Pairs well with

White for clean authority, light orange for warm contrast, dark navy for depth

Design tip

The backbone of business interfaces. Use for primary actions and navigation. Blue links are the web's universal convention.

Cultural context ▶

Blue is the world's most popular color. It represents trust, competence, and stability across virtually all cultures.

Color Origins

Blue family

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

Heritage

Blue is one of the hardest colors for nature to make with pigment — and, historically, one of the most expensive to paint with. Ultramarine, ground from lapis lazuli mined in Afghanistan, could cost as much as gold in Renaissance Europe; Vermeer used it lavishly. Egyptian blue (the first synthetic pigment, ~3000 BCE) was lost for centuries and rediscovered in the 19th. Prussian blue (1704) quickly gave painters a cheap alternative to ultramarine; Yves Klein's IKB (1960) re-aristocratized blue.

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 centuries. In Mediterranean traditions blue wards off the evil eye. In America, IBM's blue logo helped earn it the nickname 'Big 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 — in one ten-country survey it led every other color by 8 to 18 points.

In the wild

Mark Zuckerberg has said Facebook is blue because he is red-green colorblind. Levi's blue is the natural color of indigo on cotton. Twitter Blue (#1DA1F2) defined social-media blue for years before the 2023 rebrand to X scrapped it. 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 tends to recede — the eye focuses blue light slightly in front of the retina, which can make 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 many brand colors live.

Lightness band: At mid-lightness the hue carries its full character. This is the band where many 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 a 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 #384EBC.

  • Instagramprimary
    Sunset Indigo · #515BD4
    →
  • Webflowprimary
    Webflow Blue · #4353FF
    →
  • Linearprimary
    Linear Indigo · #5E6AD2
    →

Cultures using a similar color

From the cultural-palette catalog, these regions feature a color close to #384EBC.

  • MexicoTalavera Blue
    #2A52BE · Talavera Poblana tin-glazed pottery
    →
  • Turkey (Istanbul)Iznik Blue
    #1E5599 · Ottoman Iznik tile cobalt-glaze, 16th c.
    →
  • England (London)Underground Blue
    #1C3F95 · Editorial blue, not TfL's value (TfL Corporate Blue / Piccadilly line: PMS 072, R0 G25 B168)
    →

Color guides

Go deeper on using blue and color in design.

Brand & MarketingTechnology Brand Color Design: Trust, Intelligence, and the Blue ProblemColor PsychologyBlue Color Psychology in Branding: Why Every Bank and Tech Giant Chooses BlueBrand & MarketingLuxury Neutral Color Palette Ideas Without Defaulting to Black and White

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
Indigo Radiant Clear
#4A5FC9 · hsl(230, 54%, 54%)
Darker companion
Indigo Velvet Clear
#3145A5 · hsl(230, 54%, 42%)
Complementary counterpoint
Amber Core Clear
#BCA638 · hsl(50, 54%, 48%)
Analogous lead
Violet Core Clear
#4E38BC · hsl(250, 54%, 48%)
Analogous echo
Steel Core Clear
#3885BC · hsl(205, 54%, 48%)
Triadic +120°
Merlot Core Clear
#BC384E · hsl(350, 54%, 48%)
Triadic +240°
Leaf Core Clear
#4EBC38 · hsl(110, 54%, 48%)
Split-comp +150°
Ember Core Clear
#BC6438 · hsl(20, 54%, 48%)
Split-comp +210°
Olive Core Clear
#90BC38 · hsl(80, 54%, 48%)
Export preview
Base: Indigo Core Clear #384EBC
Lighter companion: Indigo Radiant Clear #4A5FC9
Darker companion: Indigo Velvet Clear #3145A5
Complementary counterpoint: Amber Core Clear #BCA638
Analogous lead: Violet Core Clear #4E38BC
Analogous echo: Steel Core Clear #3885BC
Triadic +120°: Merlot Core Clear #BC384E
Triadic +240°: Leaf Core Clear #4EBC38
Split-comp +150°: Ember Core Clear #BC6438
Split-comp +210°: Olive Core Clear #90BC38

Compare

See how Indigo Core Clear compares side by side with related colors.

vsIndigo Radiant ClearvsIndigo Velvet ClearvsAmber Core ClearvsViolet Core ClearvsSteel Core ClearvsMerlot Core Clear

Nearest neighbors

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

Search by hex
Nearby match
Indigo Velvet Clear
#3145A5 · hsl(230, 54%, 42%)
Nearby match
Indigo Radiant Clear
#4A5FC9 · hsl(230, 54%, 54%)
Nearby match
Indigo Tone Clear
#6274D0 · hsl(230, 54%, 60%)
Nearby match
Indigo Core Soft
#515FA4 · hsl(230, 34%, 48%)
Nearby match
Indigo Core Vivid
#203ED5 · hsl(230, 74%, 48%)
Nearby match
Indigo Dusk Clear
#283786 · hsl(230, 54%, 34%)

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
Canary Veil Pure
#FFFEF5
AAA7:1
Citrine Veil Pure
#FFFFF5
AAA7:1
Honey Veil Pure
#FDFFF5
AAA7:1
Chartreuse Veil Pure
#FCFFF5
AA6.7:1
Amber Veil Faint
#FAFAF9
AA6.8:1
Amber Veil Muted
#FBFBF9

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#4140A5
Protanopia
#4343AA
Tritanopia
#399995
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Saturation ladder

Same hue and lightness, from gray to pure

Search
Indigo Core Faint#6E7287 · hsl(230, 10%, 48%)Indigo Core Muted#646C90 · hsl(230, 18%, 48%)Indigo Core Dust#5B659A · hsl(230, 26%, 48%)Indigo Core Soft#515FA4 · hsl(230, 34%, 48%)Indigo Core Clear#384EBC · hsl(230, 54%, 48%)Indigo Core Vivid#203ED5 · hsl(230, 74%, 48%)Indigo Core Bright#1436E1 · hsl(230, 84%, 48%)Indigo Core Pure#0A2FEB · hsl(230, 92%, 48%)
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