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#040239 · #1F057B · #5046C1 · #55A4C0 · #B5E2FA

cool

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

PassionateDynamicCool

Industry INDUSTRY

EntertainmentFMCG

UI Context UI CONTEXT

Sale PromoSocial AppData Visualization

Color Details Color Details

#040239

Deep Indigo · Black · Deep Sea Blue

HEX
#040239
RGB
rgb(4, 2, 57)
HSL
hsl(242, 93%, 12%)
HSB
hsb(242, 96%, 22%)
CMYK
cmyk(93%, 96%, 0%, 78%)
Oklch
oklch(16.5% 0.102 269.8)

Traditional「Deep Indigo」· Paint「Deep Sea Blue」· Creative Blush Sunrise

#1F057B

Deep Indigo · MidnightBlue · Prussian Blue

HEX
#1F057B
RGB
rgb(31, 5, 123)
HSL
hsl(253, 92%, 25%)
HSB
hsb(253, 96%, 48%)
CMYK
cmyk(75%, 96%, 0%, 52%)
Oklch
oklch(28.4% 0.171 276.4)

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

#5046C1

Deep Indigo · SlateBlue · Navy Blue

HEX
#5046C1
RGB
rgb(80, 70, 193)
HSL
hsl(245, 50%, 52%)
HSB
hsb(245, 64%, 76%)
CMYK
cmyk(59%, 64%, 0%, 24%)
Oklch
oklch(48.0% 0.185 280.5)

Traditional「Deep Indigo」· Paint「Navy Blue」· Creative Blush Sunrise

#55A4C0

Slate Blue · CadetBlue · Lake Green

HEX
#55A4C0
RGB
rgb(85, 164, 192)
HSL
hsl(196, 46%, 54%)
HSB
hsb(196, 56%, 75%)
CMYK
cmyk(56%, 15%, 0%, 25%)
Oklch
oklch(67.9% 0.088 223.6)

Traditional「Slate Blue」· Paint「Lake Green」· Creative Blush Sunrise

#B5E2FA

Sky Blue · LightBlue · Sky Blue

HEX
#B5E2FA
RGB
rgb(181, 226, 250)
HSL
hsl(201, 87%, 85%)
HSB
hsb(201, 28%, 98%)
CMYK
cmyk(28%, 10%, 0%, 2%)
Oklch
oklch(88.9% 0.057 231.5)

Traditional「Sky Blue」· Paint「Sky Blue」· Creative Twilight Haze

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

040239
393B02

Analogous

021D3B
040239
20023B

Triadic

040239
3B0402
023B04

Split-Comp.

040239
3B2002
1D3B02

Tetradic

040239
3B021D
393B02
023B20

Contrast Matrix WCAG 2.1 Contrast

040239
1F057B
5046C1
55A4C0
B5E2FA
—
1.3
Fail
2.8
Fail
7.0
AA
14.2
AAA
1.3
Fail
—
2.2
Fail
5.5
AA
11.1
AAA
2.8
Fail
2.2
Fail
—
2.5
Fail
5.1
AA
7.0
AA
5.5
AA
2.5
Fail
—
2.0
Fail
14.2
AAA
11.1
AAA
5.1
AA
2.0
Fail
—
White BG
19.6AAA
15.4AAA
7.0AAA
2.8Fail
1.4Fail
Black BG
1.1Fail
1.4Fail
3.0Fail
7.5AAA
15.2AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

03032C
14145E
4C4CA3
7778B9
C8C9F4

Deuteranopia

030329
151758
4C4D9C
736DB8
C6C3F3

Tritanopia

04211F
1E4843
508C87
59B4B3
B7F0EF

Achromatopsia

090909
1A1A1A
575757
909090
D7D7D7

Shades & Tints Shades & Tints

#040239

Dark
Light

#1F057B

Dark
Light

#5046C1

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #040239;
  --color-2: #1f057b;
  --color-3: #5046c1;
  --color-4: #55a4c0;
  --color-5: #b5e2fa;
}

SCSS

$color-1: #040239;
$color-2: #1f057b;
$color-3: #5046c1;
$color-4: #55a4c0;
$color-5: #b5e2fa;

TAILWIND

colors: {
  'brand-1': '#040239',
  'brand-2': '#1f057b',
  'brand-3': '#5046c1',
  'brand-4': '#55a4c0',
  'brand-5': '#b5e2fa',
}

RGB Array

[4, 2, 57], [31, 5, 123], [80, 70, 193], [85, 164, 192], [181, 226, 250]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This cool-style palette of #040239, #1F057B, #5046C1, #55A4C0, #B5E2FA is ideal for: social media posters, mobile apps, e-commerce promos, 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: #040239; --color-2: #1f057b; --color-3: #5046c1; --color-4: #55a4c0; --color-5: #b5e2fa. 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?

Medium-brightness colors suit brand primary and accent colors. Use the darkest for text, lightest for backgrounds, and mid-tones for emphasis. 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 cool-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