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Indigo Dusk Soft
Color detail

Indigo Dusk Soft

Blue · Hue 230
Metrics
S 34% · L 34%
Contrast (WCAG)
on white9.4:1AAon black2.2:1Fail
Save to journalSign in to saveStart palette from thisRecent trail

About this color

Indigo Dusk Soft (#394374) belongs to the blue family — hue 230°, 34% saturation, 34% 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-dusk-soft: #394374;
  --colorarchive-indigo-dusk-soft-hsl: hsl(230, 34%, 34%);
  --colorarchive-indigo-dusk-soft-rgb: rgb(57, 67, 116);
}

AI Color Names

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

Design Context

AuthoritativeIntellectualLuxurious
Common in

Defense · Aviation · Higher Education

Pairs well with

Gold for prestige, white for sharp readability, electric blue for energy

Design tip

Perfect for dark mode backgrounds and headers. Navy is softer than black and adds character. Pair with bright accents for contrast.

Cultural context ▶

Navy and midnight blue symbolize authority, intelligence, and tradition. The color of uniforms, institutions, and power.

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 deep, weighted version of the hue — formal, considered, and pairs especially well with off-white and warm metallic accents.

Lightness band: At this depth the hue starts behaving like a neutral — it can substitute for black in many contexts while still carrying a faint chromatic temperature. It pairs especially well with off-whites and warm metallics.

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 #394374.

  • Airbnbneutral
    Hof Gray · #484848
    →
  • Xiaohongshu 小红书neutral
    Slate Text · #333333
    →
  • JD.com 京东neutral
    Slate · #333333
    →

Cultures using a similar color

From the cultural-palette catalog, these regions feature a color close to #394374.

  • EgyptLapis Lazuli
    #1F4287 · Lapis lazuli from Badakhshan (Afghanistan), jewelry and inlay
    →
  • JapanIndigo (ai-iro 藍色)
    #22366E · Persicaria tinctoria fermentation dye
    →
  • China (Traditional)Indigo Blue (青)
    #1A4378 · Persicaria tinctoria — Han textile dye
    →

Color guides

Go deeper on using blue and color in design.

HistoryIndigo: The Color That Built Trade Routes and Made Blue CheapBrand & MarketingTechnology Brand Color Design: Trust, Intelligence, and the Blue ProblemColor TheoryColor for Ambient Displays: Smart TVs, Digital Art Frames, and Always-On Screens

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 Velvet Soft
#475390 · hsl(230, 34%, 42%)
Darker companion
Indigo Shadow Soft
#2F3760 · hsl(230, 34%, 28%)
Complementary counterpoint
Amber Dusk Soft
#746A39 · hsl(50, 34%, 34%)
Analogous lead
Violet Dusk Soft
#433974 · hsl(250, 34%, 34%)
Analogous echo
Steel Dusk Soft
#395C74 · hsl(205, 34%, 34%)
Triadic +120°
Merlot Dusk Soft
#743943 · hsl(350, 34%, 34%)
Triadic +240°
Leaf Dusk Soft
#437439 · hsl(110, 34%, 34%)
Split-comp +150°
Ember Dusk Soft
#744D39 · hsl(20, 34%, 34%)
Split-comp +210°
Olive Dusk Soft
#617439 · hsl(80, 34%, 34%)
Export preview
Base: Indigo Dusk Soft #394374
Lighter companion: Indigo Velvet Soft #475390
Darker companion: Indigo Shadow Soft #2F3760
Complementary counterpoint: Amber Dusk Soft #746A39
Analogous lead: Violet Dusk Soft #433974
Analogous echo: Steel Dusk Soft #395C74
Triadic +120°: Merlot Dusk Soft #743943
Triadic +240°: Leaf Dusk Soft #437439
Split-comp +150°: Ember Dusk Soft #744D39
Split-comp +210°: Olive Dusk Soft #617439

Compare

See how Indigo Dusk Soft compares side by side with related colors.

vsIndigo Velvet SoftvsIndigo Shadow SoftvsAmber Dusk SoftvsViolet Dusk SoftvsSteel Dusk SoftvsMerlot Dusk Soft

Nearest neighbors

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

Search by hex
Nearby match
Indigo Dusk Dust
#40486D · hsl(230, 26%, 34%)
Nearby match
Indigo Shadow Soft
#2F3760 · hsl(230, 34%, 28%)
Nearby match
Indigo Velvet Soft
#475390 · hsl(230, 34%, 42%)
Nearby match
Indigo Dusk Muted
#474C66 · hsl(230, 18%, 34%)
Nearby match
Indigo Shadow Dust
#353B5A · hsl(230, 26%, 28%)
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
AAA9:1
Amber Veil Faint
#FAFAF9
AAA9.1:1
Amber Veil Muted
#FBFBF9
AAA9.1:1
Amber Veil Dust
#FBFBF9
AAA9.1:1
Amber Veil Soft
#FCFBF8
AAA9.2:1
Amber Veil Clear
#FDFCF7
AAA9.2:1
Amber Veil Vivid
#FEFCF6

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#3D3C68
Protanopia
#3E3E6B
Tritanopia
#3A6261
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Saturation ladder

Same hue and lightness, from gray to pure

Search
Indigo Dusk Faint#4E515F · hsl(230, 10%, 34%)Indigo Dusk Muted#474C66 · hsl(230, 18%, 34%)Indigo Dusk Dust#40486D · hsl(230, 26%, 34%)Indigo Dusk Soft#394374 · hsl(230, 34%, 34%)Indigo Dusk Clear#283786 · hsl(230, 54%, 34%)Indigo Dusk Vivid#172C97 · hsl(230, 74%, 34%)Indigo Dusk Bright#0E26A0 · hsl(230, 84%, 34%)Indigo Dusk Pure#0722A6 · hsl(230, 92%, 34%)
More from Blue →
Appears in collections
Midnight Library