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#18212A · #3D4D5C · #495A64 · #58626C · #5C6876

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

#18212A

Indigo · Black · Deep Sea Blue

HEX
#18212A
RGB
rgb(24, 33, 42)
HSL
hsl(210, 27%, 13%)
HSB
hsb(210, 43%, 16%)
CMYK
cmyk(43%, 21%, 0%, 84%)
Oklch
oklch(24.3% 0.022 248.7)

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

#3D4D5C

Slate Blue · DarkSlateGray · Prussian Blue

HEX
#3D4D5C
RGB
rgb(61, 77, 92)
HSL
hsl(209, 20%, 30%)
HSB
hsb(209, 34%, 36%)
CMYK
cmyk(34%, 16%, 0%, 64%)
Oklch
oklch(41.3% 0.032 246.9)

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

#495A64

Slate Blue · DarkSlateGray · Prussian Blue

HEX
#495A64
RGB
rgb(73, 90, 100)
HSL
hsl(202, 16%, 34%)
HSB
hsb(202, 27%, 39%)
CMYK
cmyk(27%, 10%, 0%, 61%)
Oklch
oklch(45.7% 0.027 234.0)

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

#58626C

Indigo · DimGray · Prussian Blue

HEX
#58626C
RGB
rgb(88, 98, 108)
HSL
hsl(210, 10%, 38%)
HSB
hsb(210, 19%, 42%)
CMYK
cmyk(19%, 9%, 0%, 58%)
Oklch
oklch(49.1% 0.020 248.2)

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

#5C6876

Indigo · DimGray · Navy Blue

HEX
#5C6876
RGB
rgb(92, 104, 118)
HSL
hsl(212, 12%, 41%)
HSB
hsb(212, 22%, 46%)
CMYK
cmyk(22%, 12%, 0%, 54%)
Oklch
oklch(51.2% 0.027 252.4)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

18212A
2A2118

Analogous

182A2A
18212A
18182A

Triadic

18212A
2A1821
212A18

Split-Comp.

18212A
2A1818
2A2A18

Tetradic

18212A
2A182A
2A2118
182A18

Contrast Matrix WCAG 2.1 Contrast

18212A
3D4D5C
495A64
58626C
5C6876
—
1.9
Fail
2.3
Fail
2.6
Fail
2.9
Fail
1.9
Fail
—
1.2
Fail
1.4
Fail
1.5
Fail
2.3
Fail
1.2
Fail
—
1.2
Fail
1.3
Fail
2.6
Fail
1.4
Fail
1.2
Fail
—
1.1
Fail
2.9
Fail
1.5
Fail
1.3
Fail
1.1
Fail
—
White BG
16.3AAA
8.7AAA
7.2AAA
6.2AA
5.7AA
Black BG
1.3Fail
2.4Fail
2.9Fail
3.4AA Large
3.7AA Large

Color Blindness Simulation Color Blindness Simulation

Protanopia

1C1C28
444458
505162
5C5C6A
616173

Deuteranopia

1B1B27
434257
4F4E61
5C5B69
616072

Tritanopia

182626
3E5655
4A605F
596867
5D706F

Achromatopsia

1F1F1F
4A4A4A
565656
606060
666666

Shades & Tints Shades & Tints

#18212A

Dark
Light

#3D4D5C

Dark
Light

#495A64

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #18212a;
  --color-2: #3d4d5c;
  --color-3: #495a64;
  --color-4: #58626c;
  --color-5: #5c6876;
}

SCSS

$color-1: #18212a;
$color-2: #3d4d5c;
$color-3: #495a64;
$color-4: #58626c;
$color-5: #5c6876;

TAILWIND

colors: {
  'brand-1': '#18212a',
  'brand-2': '#3d4d5c',
  'brand-3': '#495a64',
  'brand-4': '#58626c',
  'brand-5': '#5c6876',
}

RGB Array

[24, 33, 42], [61, 77, 92], [73, 90, 100], [88, 98, 108], [92, 104, 118]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #18212A, #3D4D5C, #495A64, #58626C, #5C6876 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: #18212a; --color-2: #3d4d5c; --color-3: #495a64; --color-4: #58626c; --color-5: #5c6876. 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