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#1F222B · #252638 · #173C44 · #4A5547 · #323B40

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

ProfoundPremiumCool

Industry INDUSTRY

FinanceLuxury

UI Context UI CONTEXT

Dark ThemeCorporate

Color Details Color Details

#1F222B

Indigo · DarkSlateGray · Deep Sea Blue

HEX
#1F222B
RGB
rgb(31, 34, 43)
HSL
hsl(225, 16%, 15%)
HSB
hsb(225, 28%, 17%)
CMYK
cmyk(28%, 21%, 0%, 83%)
Oklch
oklch(25.3% 0.018 270.6)

TraditionalIndigo」· PaintDeep Sea Blue」· Creative Blush Sunrise

#252638

Indigo · DarkSlateGray · Deep Sea Blue

HEX
#252638
RGB
rgb(37, 38, 56)
HSL
hsl(237, 20%, 18%)
HSB
hsb(237, 34%, 22%)
CMYK
cmyk(34%, 32%, 0%, 78%)
Oklch
oklch(27.6% 0.033 281.5)

TraditionalIndigo」· PaintDeep Sea Blue」· Creative Blush Sunrise

#173C44

Slate Blue · DarkSlateGray · Peacock Green

HEX
#173C44
RGB
rgb(23, 60, 68)
HSL
hsl(191, 49%, 18%)
HSB
hsb(191, 66%, 27%)
CMYK
cmyk(66%, 12%, 0%, 73%)
Oklch
oklch(33.3% 0.044 214.0)

TraditionalSlate Blue」· PaintPeacock Green」· Creative Blush Sunrise

#4A5547

Celadon · DarkSlateGray · Charcoal

HEX
#4A5547
RGB
rgb(74, 85, 71)
HSL
hsl(107, 9%, 31%)
HSB
hsb(107, 16%, 33%)
CMYK
cmyk(13%, 0%, 16%, 67%)
Oklch
oklch(43.5% 0.027 139.0)

TraditionalCeladon」· PaintCharcoal」· Creative Midnight Shadow

#323B40

Slate Blue · DarkSlateGray · Prussian Blue

HEX
#323B40
RGB
rgb(50, 59, 64)
HSL
hsl(201, 12%, 22%)
HSB
hsb(201, 22%, 25%)
CMYK
cmyk(22%, 8%, 0%, 75%)
Oklch
oklch(34.6% 0.015 232.1)

TraditionalSlate Blue」· PaintPrussian Blue」· Creative Blush Sunrise

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

1F222B
2C2920

Analogous

20292C
1F222B
23202C

Triadic

1F222B
2C2023
232C20

Split-Comp.

1F222B
2C2320
292C20

Tetradic

1F222B
2C2029
2C2920
202C23

Contrast Matrix WCAG 2.1 Contrast

1F222B
252638
173C44
4A5547
323B40
1.1
Fail
1.3
Fail
2.0
Fail
1.4
Fail
1.1
Fail
1.2
Fail
1.9
Fail
1.3
Fail
1.3
Fail
1.2
Fail
1.5
Fail
1.0
Fail
2.0
Fail
1.9
Fail
1.5
Fail
1.5
Fail
1.4
Fail
1.3
Fail
1.0
Fail
1.5
Fail
White BG
15.9AAA
14.9AAA
11.9AAA
7.8AAA
11.4AAA
Black BG
1.3Fail
1.4Fail
1.8Fail
2.7Fail
1.8Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

202029
252534
272742
4F4F4A
36363F

Deuteranopia

202028
252533
252242
4E4D4B
35353F

Tritanopia

1F2727
25302F
194140
4B4D4E
323E3E

Achromatopsia

222222
282828
323232
505050
393939

Shades & Tints Shades & Tints

#1F222B

Dark
Light

#252638

Dark
Light

#173C44

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #1f222b;
  --color-2: #252638;
  --color-3: #173c44;
  --color-4: #4a5547;
  --color-5: #323b40;
}

SCSS

$color-1: #1f222b;
$color-2: #252638;
$color-3: #173c44;
$color-4: #4a5547;
$color-5: #323b40;

TAILWIND

colors: {
  'brand-1': '#1f222b',
  'brand-2': '#252638',
  'brand-3': '#173c44',
  'brand-4': '#4a5547',
  'brand-5': '#323b40',
}

RGB Array

[31, 34, 43], [37, 38, 56], [23, 60, 68], [74, 85, 71], [50, 59, 64]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #1F222B, #252638, #173C44, #4A5547, #323B40 is ideal for: brand design, premium product pages, magazine layouts, tech websites, dark mode UIs, game UIs. Low-saturation colors convey a sophisticated, premium feel. It is a classic and elegant choice among 5-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #1f222b; --color-2: #252638; --color-3: #173c44; --color-4: #4a5547; --color-5: #323b40. 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. 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 general-style 5-color scheme is especially suited for finance, legal, luxury industries. Restrained colors convey professionalism and trust. 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