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Iris Tone Pure
Color detail

Iris Tone Pure

Blue · Hue 240
Hex
#3B3BF7
RGB
rgb(59, 59, 247)
HSL
hsl(240, 92%, 60%)
CMYK
cmyk(76%, 76%, 0%, 3%)
Metrics
S 92% · L 60%
Contrast (WCAG)
on white
6.7:1AA
on black
3.2:1AA Large
Save to journalSign in to saveStart palette from thisRecent trail

About this color

Iris Tone Pure (#3B3BF7) belongs to the blue family — hue 240°, 92% saturation, 60% 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-tone-pure: #3B3BF7;
  --colorarchive-iris-tone-pure-hsl: hsl(240, 92%, 60%);
  --colorarchive-iris-tone-pure-rgb: rgb(59, 59, 247);
}

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 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 vivid mid-tone — distinctive enough to anchor an identity, saturated enough to demand a quiet supporting palette.

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: At this saturation the color is doing work. It reads as a brand statement, a sport accessory, or a UI signal. It should be used in small, deliberate doses against quieter neighbors; large fields at this saturation will exhaust the eye.

Brands using a similar color

Within the public brand-guidelines reference catalog, these are the closest matches to #3B3BF7.

  • Webflowprimary
    Webflow Blue · #4353FF
    →
  • Instagramprimary
    Sunset Indigo · #515BD4
    →
  • Stripeprimary
    Stripe Indigo · #635BFF
    →

Cultures using a similar color

From the cultural-palette catalog, these regions feature a color close to #3B3BF7.

  • MoroccoMajorelle Blue
    #6050DC · Jacques Majorelle's Marrakech garden, 1937
    →
  • MexicoTalavera Blue
    #2A52BE · Talavera Poblana tin-glazed pottery
    →
  • England (London)Underground Blue
    #1C3F95 · TfL roundel + Piccadilly line
    →

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 Silk Pure
#6262F8 · hsl(240, 92%, 68%)
Darker companion
Iris Radiant Pure
#1E1EF6 · hsl(240, 92%, 54%)
Complementary counterpoint
Citrine Tone Pure
#F7F73B · hsl(60, 92%, 60%)
Analogous lead
Orchid Tone Pure
#7A3BF7 · hsl(260, 92%, 60%)
Analogous echo
Cobalt Tone Pure
#3B7AF7 · hsl(220, 92%, 60%)
Triadic +120°
Crimson Tone Pure
#F73B3B · hsl(0, 92%, 60%)
Triadic +240°
Emerald Tone Pure
#3BF73B · hsl(120, 92%, 60%)
Split-comp +150°
Coral Tone Pure
#F7993B · hsl(30, 92%, 60%)
Split-comp +210°
Lime Tone Pure
#99F73B · hsl(90, 92%, 60%)
Export preview
Base: Iris Tone Pure #3B3BF7
Lighter companion: Iris Silk Pure #6262F8
Darker companion: Iris Radiant Pure #1E1EF6
Complementary counterpoint: Citrine Tone Pure #F7F73B
Analogous lead: Orchid Tone Pure #7A3BF7
Analogous echo: Cobalt Tone Pure #3B7AF7
Triadic +120°: Crimson Tone Pure #F73B3B
Triadic +240°: Emerald Tone Pure #3BF73B
Split-comp +150°: Coral Tone Pure #F7993B
Split-comp +210°: Lime Tone Pure #99F73B

Compare

See how Iris Tone Pure compares side by side with related colors.

vsIris Silk PurevsIris Radiant PurevsCitrine Tone PurevsOrchid Tone PurevsCobalt Tone PurevsCrimson Tone Pure

Nearest neighbors

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

Search by hex
Nearby match
Iris Tone Bright
#4343EF · hsl(240, 84%, 60%)
Nearby match
Iris Radiant Pure
#1E1EF6 · hsl(240, 92%, 54%)
Nearby match
Amethyst Tone Pure
#4B3BF7 · hsl(245, 92%, 60%)
Nearby match
Iris Silk Pure
#6262F8 · hsl(240, 92%, 68%)
Nearby match
Iris Radiant Bright
#2727EC · hsl(240, 84%, 54%)
Nearby match
Iris Tone Vivid
#4E4EE4 · hsl(240, 74%, 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
AA6.4:1
Citrine Veil Faint
#FAFAF9
AA6.4:1
Citrine Veil Muted
#FBFBF9
AA6.4:1
Citrine Veil Dust
#FBFBF9
AA6.5:1
Citrine Veil Soft
#FCFCF8
AA6.5:1
Citrine Veil Clear
#FDFDF7
AA6.6:1
Citrine Veil Vivid
#FEFEF6

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#3B3BD5
Protanopia
#3B3BDC
Tritanopia
#3BC3BD
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