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#E7E7E7 · #307D82 · #2D4F89 · #2F2A56

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

#E7E7E7

Plain White · Lavender · Cloud White

HEX
#E7E7E7
RGB
rgb(231, 231, 231)
HSL
hsl(0, 0%, 91%)
HSB
hsb(0, 0%, 91%)
CMYK
cmyk(0%, 0%, 0%, 9%)
Oklch
oklch(92.8% 0.000 89.9)

Traditional「Plain White」· Paint「Cloud White」· Creative Morning Mist

#307D82

Slate Blue · SeaGreen · Mint Ice

HEX
#307D82
RGB
rgb(48, 125, 130)
HSL
hsl(184, 46%, 35%)
HSB
hsb(184, 63%, 51%)
CMYK
cmyk(63%, 4%, 0%, 49%)
Oklch
oklch(54.5% 0.075 201.2)

Traditional「Slate Blue」· Paint「Mint Ice」· Creative Blush Sunrise

#2D4F89

Indigo · DarkSlateBlue · Prussian Blue

HEX
#2D4F89
RGB
rgb(45, 79, 137)
HSL
hsl(218, 51%, 36%)
HSB
hsb(218, 67%, 54%)
CMYK
cmyk(67%, 42%, 0%, 46%)
Oklch
oklch(43.2% 0.104 260.4)

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

#2F2A56

Deep Indigo · DarkSlateGray · Prussian Blue

HEX
#2F2A56
RGB
rgb(47, 42, 86)
HSL
hsl(247, 34%, 25%)
HSB
hsb(247, 51%, 34%)
CMYK
cmyk(45%, 51%, 0%, 66%)
Oklch
oklch(31.4% 0.077 286.3)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

E7E7E7
E8E8E8

Analogous

E8E8E8
E7E7E7
E8E8E8

Triadic

E7E7E7
E8E8E8
E8E8E8

Split-Comp.

E7E7E7
E8E8E8
E8E8E8

Tetradic

E7E7E7
E8E8E8
E8E8E8
E8E8E8

Contrast Matrix WCAG 2.1 Contrast

E7E7E7
307D82
2D4F89
2F2A56
—
3.9
AA Large
6.6
AA
10.7
AAA
3.9
AA Large
—
1.7
Fail
2.8
Fail
6.6
AA
1.7
Fail
—
1.6
Fail
10.7
AAA
2.8
Fail
1.6
Fail
—
White BG
1.2Fail
4.8AA
8.1AAA
13.2AAA
Black BG
17.0AAA
4.4AA Large
2.6Fail
1.6Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

E7E7E7
515281
3C3C7B
2D2D4B

Deuteranopia

E7E7E7
4D4781
3A3778
2D2E49

Tritanopia

E7E7E7
348080
2F706D
2F4341

Achromatopsia

E7E7E7
676767
4B4B4B
313131

Shades & Tints Shades & Tints

#E7E7E7

Dark
Light

#307D82

Dark
Light

#2D4F89

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #e7e7e7;
  --color-2: #307d82;
  --color-3: #2d4f89;
  --color-4: #2f2a56;
}

SCSS

$color-1: #e7e7e7;
$color-2: #307d82;
$color-3: #2d4f89;
$color-4: #2f2a56;

TAILWIND

colors: {
  'brand-1': '#e7e7e7',
  'brand-2': '#307d82',
  'brand-3': '#2d4f89',
  'brand-4': '#2f2a56',
}

RGB Array

[231, 231, 231], [48, 125, 130], [45, 79, 137], [47, 42, 86]

FAQ FAQ

What scenarios is this 4-color palette suitable for?

This general-style palette of #E7E7E7, #307D82, #2D4F89, #2F2A56 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: #e7e7e7; --color-2: #307d82; --color-3: #2d4f89; --color-4: #2f2a56. 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