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Cobalt Dusk Bright
Color detail

Cobalt Dusk Bright

Blue · Hue 220
Metrics
S 84% · L 34%
Contrast (WCAG)
on white9.5:1AAon black2.2:1Fail
Save to journalSign in to saveStart palette from thisRecent trail

About this color

Cobalt Dusk Bright (#0E3EA0) belongs to the blue family — hue 220°, 84% 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-cobalt-dusk-bright: #0E3EA0;
  --colorarchive-cobalt-dusk-bright-hsl: hsl(220, 84%, 34%);
  --colorarchive-cobalt-dusk-bright-rgb: rgb(14, 62, 160);
}

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 jewel tone — saturated and dark at once. This is the register of velvet, deep enamel, and old-world luxury.

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: 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 #0E3EA0.

  • PlayStationprimary
    PlayStation Blue · #003791
    →
  • Patagoniaprimary
    Patagonia Sky Blue · #0061AC
    →
  • Stripeneutral
    Slate Navy · #0A2540
    →

Cultures using a similar color

From the cultural-palette catalog, these regions feature a color close to #0E3EA0.

  • England (London)Underground Blue
    #1C3F95 · Editorial blue, not TfL's value (TfL Corporate Blue / Piccadilly line: PMS 072, R0 G25 B168)
    →
  • EgyptLapis Lazuli
    #1F4287 · Lapis lazuli from Badakhshan (Afghanistan), jewelry and inlay
    →
  • France (Paris)Yves Klein Blue (IKB)
    #002FA7 · Registered by Yves Klein (Soleau envelope), 1960
    →

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 BlueAccessibilityColor in Data Tables: Contrast, State, and Accessible Row Encoding

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 Velvet Bright
#114DC5 · hsl(220, 84%, 42%)
Darker companion
Cobalt Shadow Bright
#0B3383 · hsl(220, 84%, 28%)
Complementary counterpoint
Apricot Dusk Bright
#A06F0E · hsl(40, 84%, 34%)
Analogous lead
Amethyst Dusk Bright
#1A0EA0 · hsl(245, 84%, 34%)
Analogous echo
Azure Dusk Bright
#0E6FA0 · hsl(200, 84%, 34%)
Triadic +120°
Garnet Dusk Bright
#A00E3E · hsl(340, 84%, 34%)
Triadic +240°
Moss Dusk Bright
#3EA00E · hsl(100, 84%, 34%)
Split-comp +150°
Ruby Dusk Bright
#A0260E · hsl(10, 84%, 34%)
Split-comp +210°
Honey Dusk Bright
#87A00E · hsl(70, 84%, 34%)
Export preview
Base: Cobalt Dusk Bright #0E3EA0
Lighter companion: Cobalt Velvet Bright #114DC5
Darker companion: Cobalt Shadow Bright #0B3383
Complementary counterpoint: Apricot Dusk Bright #A06F0E
Analogous lead: Amethyst Dusk Bright #1A0EA0
Analogous echo: Azure Dusk Bright #0E6FA0
Triadic +120°: Garnet Dusk Bright #A00E3E
Triadic +240°: Moss Dusk Bright #3EA00E
Split-comp +150°: Ruby Dusk Bright #A0260E
Split-comp +210°: Honey Dusk Bright #87A00E

Compare

See how Cobalt Dusk Bright compares side by side with related colors.

vsCobalt Velvet BrightvsCobalt Shadow BrightvsApricot Dusk BrightvsAmethyst Dusk BrightvsAzure Dusk BrightvsGarnet Dusk Bright

Nearest neighbors

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

Search by hex
Nearby match
Cobalt Dusk Pure
#073CA6 · hsl(220, 92%, 34%)
Nearby match
Cobalt Shadow Bright
#0B3383 · hsl(220, 84%, 28%)
Nearby match
Cobalt Dusk Vivid
#174197 · hsl(220, 74%, 34%)
Nearby match
Cobalt Velvet Bright
#114DC5 · hsl(220, 84%, 42%)
Nearby match
Cobalt Shadow Pure
#063289 · hsl(220, 92%, 28%)
Nearby match
Cobalt Shadow Vivid
#13367C · hsl(220, 74%, 28%)

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
AAA9.1:1
Apricot Veil Faint
#FAFAF9
AAA9.1:1
Apricot Veil Muted
#FBFAF9
AAA9.1:1
Apricot Veil Dust
#FBFAF9
AAA9.1:1
Apricot Veil Soft
#FCFAF8
AAA9.2:1
Apricot Veil Clear
#FDFBF7
AAA9.2:1
Apricot Veil Vivid
#FEFBF6

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#28248C
Protanopia
#2A2B90
Tritanopia
#13817E
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Saturation ladder

Same hue and lightness, from gray to pure

Search
Cobalt Dusk Faint#4E545F · hsl(220, 10%, 34%)Cobalt Dusk Muted#475166 · hsl(220, 18%, 34%)Cobalt Dusk Dust#404F6D · hsl(220, 26%, 34%)Cobalt Dusk Soft#394D74 · hsl(220, 34%, 34%)Cobalt Dusk Clear#284786 · hsl(220, 54%, 34%)Cobalt Dusk Vivid#174197 · hsl(220, 74%, 34%)Cobalt Dusk Bright#0E3EA0 · hsl(220, 84%, 34%)Cobalt Dusk Pure#073CA6 · hsl(220, 92%, 34%)
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