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#607D8B · #E84E40 · #263238 · #ECEFF1

A 4-color palette palette · Complete color analysis and application guide

Scene Recommendations Scene Recommendations

Emotion EMOTION

HarmoniousVersatileWarmCool

Industry INDUSTRY

E-commerceBusiness

UI Context UI CONTEXT

Web PageComponent LibraryData Visualization

Color Details Color Details

#607D8B

Slate Blue · SlateGray · Navy Blue

HEX
#607D8B
RGB
rgb(96, 125, 139)
HSL
hsl(200, 18%, 46%)
HSB
hsb(200, 31%, 55%)
CMYK
cmyk(31%, 10%, 0%, 45%)
Oklch
oklch(57.2% 0.040 229.0)

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

#E84E40

Vermilion · Tomato · Passion Red

HEX
#E84E40
RGB
rgb(232, 78, 64)
HSL
hsl(5, 79%, 58%)
HSB
hsb(5, 72%, 91%)
CMYK
cmyk(0%, 66%, 72%, 9%)
Oklch
oklch(63.5% 0.193 28.8)

Traditional「Vermilion」· Paint「Passion Red」· Creative Blush Sunrise

#263238

Slate Blue · DarkSlateGray · Deep Sea Blue

HEX
#263238
RGB
rgb(38, 50, 56)
HSL
hsl(200, 19%, 18%)
HSB
hsb(200, 32%, 22%)
CMYK
cmyk(32%, 11%, 0%, 78%)
Oklch
oklch(30.9% 0.019 229.8)

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

#ECEFF1

Sky Blue · Lavender · Sky Blue

HEX
#ECEFF1
RGB
rgb(236, 239, 241)
HSL
hsl(204, 15%, 94%)
HSB
hsb(204, 2%, 95%)
CMYK
cmyk(2%, 1%, 0%, 5%)
Oklch
oklch(95.0% 0.004 236.5)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

607D8B
8A6E60

Analogous

608A83
607D8B
60678A

Triadic

607D8B
8A607C
7C8A60

Split-Comp.

607D8B
8A6067
8A8360

Tetradic

607D8B
83608A
8A6E60
678A60

Contrast Matrix WCAG 2.1 Contrast

607D8B
E84E40
263238
ECEFF1
—
1.2
Fail
3.0
AA Large
3.8
AA Large
1.2
Fail
—
3.5
AA Large
3.2
AA Large
3.0
AA Large
3.5
AA Large
—
11.4
AAA
3.8
AA Large
3.2
AA Large
11.4
AAA
—
White BG
4.4AA Large
3.8AA Large
13.2AAA
1.2Fail
Black BG
4.8AA
5.6AA
1.6Fail
18.2AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

6D6D88
A5A443
2B2B37
EDEDF1

Deuteranopia

6B6987
AEBA44
2B2A36
EDEDF0

Tritanopia

618584
E04647
273535
ECF0F0

Achromatopsia

767676
7A7A7A
2F2F2F
EEEEEE

Shades & Tints Shades & Tints

#607D8B

Dark
Light

#E84E40

Dark
Light

#263238

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #607d8b;
  --color-2: #e84e40;
  --color-3: #263238;
  --color-4: #eceff1;
}

SCSS

$color-1: #607d8b;
$color-2: #e84e40;
$color-3: #263238;
$color-4: #eceff1;

TAILWIND

colors: {
  'brand-1': '#607d8b',
  'brand-2': '#e84e40',
  'brand-3': '#263238',
  'brand-4': '#eceff1',
}

RGB Array

[96, 125, 139], [232, 78, 64], [38, 50, 56], [236, 239, 241]

FAQ FAQ

What scenarios is this 4-color palette suitable for?

This general-style palette of #607D8B, #E84E40, #263238, #ECEFF1 is ideal for: infographics, data visualization, accessible design. High contrast ensures clear visual hierarchy and readability. It is a balanced and harmonious choice among 4-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #607d8b; --color-2: #e84e40; --color-3: #263238; --color-4: #eceff1. 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 general-style 4-color scheme is especially suited for tech, SaaS, healthcare, eco industries. 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