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#040207 · #81B1FF · #3581CF · #003BB1 · #040005

neon

A 5-color neon palette · Complete color analysis and application guide

Scene Recommendations Scene Recommendations

Emotion EMOTION

FuturisticEnergeticRebelliousCool

Industry INDUSTRY

GamingWeb3 / CryptoDeep Tech

UI Context UI CONTEXT

Dark Mode UIDashboardCampaign PageData Visualization

Color Details Color Details

#040207

Deep Indigo · Black · Dark Purple

HEX
#040207
RGB
rgb(4, 2, 7)
HSL
hsl(264, 56%, 2%)
HSB
hsb(264, 71%, 3%)
CMYK
cmyk(43%, 71%, 0%, 97%)
Oklch
oklch(9.7% 0.021 305.4)

Traditional「Deep Indigo」· Paint「Dark Purple」· Creative Blush Sunrise

#81B1FF

Azure · LightSkyBlue · Cobalt Blue

HEX
#81B1FF
RGB
rgb(129, 177, 255)
HSL
hsl(217, 100%, 75%)
HSB
hsb(217, 49%, 100%)
CMYK
cmyk(49%, 31%, 0%, 0%)
Oklch
oklch(75.8% 0.124 259.8)

Traditional「Azure」· Paint「Cobalt Blue」· Creative Twilight Haze

#3581CF

Azure · SteelBlue · Navy Blue

HEX
#3581CF
RGB
rgb(53, 129, 207)
HSL
hsl(210, 62%, 51%)
HSB
hsb(210, 74%, 81%)
CMYK
cmyk(74%, 38%, 0%, 19%)
Oklch
oklch(59.4% 0.141 251.9)

Traditional「Azure」· Paint「Navy Blue」· Creative Blush Sunrise

#003BB1

Indigo · MediumBlue · Prussian Blue

HEX
#003BB1
RGB
rgb(0, 59, 177)
HSL
hsl(220, 100%, 35%)
HSB
hsb(220, 100%, 69%)
CMYK
cmyk(100%, 67%, 0%, 31%)
Oklch
oklch(41.0% 0.194 262.3)

Traditional「Indigo」· Paint「Prussian Blue」· Creative Blush Sunrise

#040005

Royal Purple · Black · Dark Purple

HEX
#040005
RGB
rgb(4, 0, 5)
HSL
hsl(288, 100%, 1%)
HSB
hsb(288, 100%, 2%)
CMYK
cmyk(20%, 100%, 0%, 98%)
Oklch
oklch(7.7% 0.036 323.0)

Traditional「Royal Purple」· Paint「Dark Purple」· Creative Blush Sunrise

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

040207
060802

Analogous

020308
040207
070208

Triadic

040207
080502
020805

Split-Comp.

040207
080702
030802

Tetradic

040207
080203
060802
020807

Contrast Matrix WCAG 2.1 Contrast

040207
81B1FF
3581CF
003BB1
040005
—
9.5
AAA
5.1
AA
2.2
Fail
1.0
Fail
9.5
AAA
—
1.9
Fail
4.3
AA Large
9.6
AAA
5.1
AA
1.9
Fail
—
2.3
Fail
5.2
AA
2.2
Fail
4.3
AA Large
2.3
Fail
—
2.2
Fail
1.0
Fail
9.6
AAA
5.2
AA
2.2
Fail
—
White BG
20.7AAA
2.2Fail
4.0AA Large
9.3AAA
20.8AAA
Black BG
1.0Fail
9.7AAA
5.2AA
2.3Fail
1.0Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

030306
9696EC
5657BC
1A1A94
020204

Deuteranopia

030305
938FE8
524CB8
16128E
030304

Tritanopia

040505
83DDDA
39ADAA
037E79
040303

Achromatopsia

030303
ACACAC
737373
373737
020202

Shades & Tints Shades & Tints

#040207

Dark
Light

#81B1FF

Dark
Light

#3581CF

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #040207;
  --color-2: #81b1ff;
  --color-3: #3581cf;
  --color-4: #003bb1;
  --color-5: #040005;
}

SCSS

$color-1: #040207;
$color-2: #81b1ff;
$color-3: #3581cf;
$color-4: #003bb1;
$color-5: #040005;

TAILWIND

colors: {
  'brand-1': '#040207',
  'brand-2': '#81b1ff',
  'brand-3': '#3581cf',
  'brand-4': '#003bb1',
  'brand-5': '#040005',
}

RGB Array

[4, 2, 7], [129, 177, 255], [53, 129, 207], [0, 59, 177], [4, 0, 5]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This neon-style palette of #040207, #81B1FF, #3581CF, #003BB1, #040005 is ideal for: social media posters, mobile apps, e-commerce promos, tech websites, dark mode UIs, game UIs, infographics, data visualization, accessible design. Vivid colors effectively attract user attention. High contrast ensures clear visual hierarchy and readability. It is a vibrant and energetic choice among 5-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #040207; --color-2: #81b1ff; --color-3: #3581cf; --color-4: #003bb1; --color-5: #040005. LangColor editor supports one-click export to CSS, SCSS, Tailwind, JSON and more. Click the "Export" button to choose your format.

What UI/UX design tips apply to this palette?

Dark tones work well as backgrounds; pair with light text for readability. Use the brightest color for CTA buttons and interactive elements. High-contrast palettes naturally meet WCAG accessibility standards. Use the "Contrast Matrix" tool in LangColor editor to check WCAG accessibility levels for every color pair.

Which industries or brands suit this palette?

This neon-style 5-color scheme is especially suited for food & dining, entertainment, kids education, social industries. Bold colors convey vitality and innovation. Click "AI Analysis" in the editor for more detailed brand color suggestions.

🎨 Open this palette in Editor →

Generated by LangColor online color tool · Breaking the barrier between language and color