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Iris Nocturne Muted
Color detail

Iris Nocturne Muted

Blue · Hue 240
Hex
#2A2A3C
RGB
rgb(42, 42, 60)
HSL
hsl(240, 18%, 20%)
CMYK
cmyk(30%, 30%, 0%, 76%)
Metrics
S 18% · L 20%
Contrast (WCAG)
on white
14:1AA
on black
1.5:1Fail
Save to journalSign in to saveStart palette from thisRecent trail

About this color

Iris Nocturne Muted (#2A2A3C) belongs to the blue family — hue 240°, 18% saturation, 20% 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-iris-nocturne-muted: #2A2A3C;
  --colorarchive-iris-nocturne-muted-hsl: hsl(240, 18%, 20%);
  --colorarchive-iris-nocturne-muted-rgb: rgb(42, 42, 60);
}

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 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 dim, atmospheric reading — closer to a colored shadow than a stated hue. Excellent as a near-black on dark UI or as a moody background.

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 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 #2A2A3C.

  • Supabaseneutral
    Surface · #2A2A2A
    →
  • 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 #2A2A3C.

  • Korea (Obangsaek)Obangsaek Black (흑 / heuk)
    #1F1F1F · North — water element, ink and lacquer
    →
  • BrazilAçaí Purple
    #3D1F4D · Euterpe oleracea berry
    →
  • China (Traditional)Ink Wash Black (墨)
    #1C1C1C · Pine-soot ink stick (mò)
    →

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
Iris Shadow Muted
#3B3B54 · hsl(240, 18%, 28%)
Darker companion
Iris Ink Muted
#1D1D2A · hsl(240, 18%, 14%)
Complementary counterpoint
Citrine Nocturne Muted
#3C3C2A · hsl(60, 18%, 20%)
Analogous lead
Orchid Nocturne Muted
#302A3C · hsl(260, 18%, 20%)
Analogous echo
Cobalt Nocturne Muted
#2A303C · hsl(220, 18%, 20%)
Triadic +120°
Crimson Nocturne Muted
#3C2A2A · hsl(0, 18%, 20%)
Triadic +240°
Emerald Nocturne Muted
#2A3C2A · hsl(120, 18%, 20%)
Split-comp +150°
Coral Nocturne Muted
#3C332A · hsl(30, 18%, 20%)
Split-comp +210°
Lime Nocturne Muted
#333C2A · hsl(90, 18%, 20%)
Export preview
Base: Iris Nocturne Muted #2A2A3C
Lighter companion: Iris Shadow Muted #3B3B54
Darker companion: Iris Ink Muted #1D1D2A
Complementary counterpoint: Citrine Nocturne Muted #3C3C2A
Analogous lead: Orchid Nocturne Muted #302A3C
Analogous echo: Cobalt Nocturne Muted #2A303C
Triadic +120°: Crimson Nocturne Muted #3C2A2A
Triadic +240°: Emerald Nocturne Muted #2A3C2A
Split-comp +150°: Coral Nocturne Muted #3C332A
Split-comp +210°: Lime Nocturne Muted #333C2A

Compare

See how Iris Nocturne Muted compares side by side with related colors.

vsIris Shadow MutedvsIris Ink MutedvsCitrine Nocturne MutedvsOrchid Nocturne MutedvsCobalt Nocturne MutedvsCrimson Nocturne Muted

Nearest neighbors

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

Search by hex
Nearby match
Iris Nocturne Faint
#2E2E38 · hsl(240, 10%, 20%)
Nearby match
Iris Nocturne Dust
#262640 · hsl(240, 26%, 20%)
Nearby match
Iris Ink Muted
#1D1D2A · hsl(240, 18%, 14%)
Nearby match
Amethyst Nocturne Muted
#2B2A3C · hsl(245, 18%, 20%)
Nearby match
Iris Shadow Muted
#3B3B54 · hsl(240, 18%, 28%)
Nearby match
Iris Nocturne Soft
#222244 · hsl(240, 34%, 20%)

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
AAA13.5:1
Citrine Veil Faint
#FAFAF9
AAA13.6:1
Citrine Veil Muted
#FBFBF9
AAA13.6:1
Citrine Veil Dust
#FBFBF9
AAA13.7:1
Citrine Veil Soft
#FCFCF8
AAA13.8:1
Citrine Veil Clear
#FDFDF7
AAA13.9:1
Citrine Veil Vivid
#FEFEF6

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#2A2A37
Protanopia
#2A2A38
Tritanopia
#2A3534
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