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#30303E · #3C445B · #6B7A8F · #E5E3E2 · #70717B

A 5-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

#30303E

Deep Indigo · DarkSlateGray · Prussian Blue

HEX
#30303E
RGB
rgb(48, 48, 62)
HSL
hsl(240, 13%, 22%)
HSB
hsb(240, 23%, 24%)
CMYK
cmyk(23%, 23%, 0%, 76%)
Oklch
oklch(31.5% 0.025 284.9)

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

#3C445B

Indigo · DarkSlateGray · Prussian Blue

HEX
#3C445B
RGB
rgb(60, 68, 91)
HSL
hsl(225, 21%, 30%)
HSB
hsb(225, 34%, 36%)
CMYK
cmyk(34%, 25%, 0%, 64%)
Oklch
oklch(38.9% 0.041 269.6)

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

#6B7A8F

Indigo · SlateGray · Navy Blue

HEX
#6B7A8F
RGB
rgb(107, 122, 143)
HSL
hsl(215, 14%, 49%)
HSB
hsb(215, 25%, 56%)
CMYK
cmyk(25%, 15%, 0%, 44%)
Oklch
oklch(57.5% 0.037 256.8)

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

#E5E3E2

Plain White · Lavender · Cloud White

HEX
#E5E3E2
RGB
rgb(229, 227, 226)
HSL
hsl(20, 5%, 89%)
HSB
hsb(20, 1%, 90%)
CMYK
cmyk(0%, 1%, 1%, 10%)
Oklch
oklch(91.7% 0.003 48.7)

Traditional「Plain White」· Paint「Cloud White」· Creative Silver Lining

#70717B

Ink Gray · DimGray · Warm Gray

HEX
#70717B
RGB
rgb(112, 113, 123)
HSL
hsl(235, 5%, 46%)
HSB
hsb(235, 9%, 48%)
CMYK
cmyk(9%, 8%, 0%, 52%)
Oklch
oklch(55.1% 0.015 281.3)

Traditional「Ink Gray」· Paint「Warm Gray」· Creative Urban Concrete

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

30303E
3F3F31

Analogous

31383F
30303E
38313F

Triadic

30303E
3F3131
313F31

Split-Comp.

30303E
3F3831
383F31

Tetradic

30303E
3F3138
3F3F31
313F38

Contrast Matrix WCAG 2.1 Contrast

30303E
3C445B
6B7A8F
E5E3E2
70717B
—
1.3
Fail
3.0
Fail
10.1
AAA
2.7
Fail
1.3
Fail
—
2.2
Fail
7.6
AAA
2.0
Fail
3.0
Fail
2.2
Fail
—
3.4
AA Large
1.1
Fail
10.1
AAA
7.6
AAA
3.4
AA Large
—
3.8
AA Large
2.7
Fail
2.0
Fail
1.1
Fail
3.8
AA Large
—
White BG
13.0AAA
9.7AAA
4.4AA Large
1.3Fail
4.8AA
Black BG
1.6Fail
2.2Fail
4.8AA
16.4AAA
4.3AA Large

Color Blindness Simulation Color Blindness Simulation

Protanopia

30303B
3F4055
71728A
E4E4E2
707079

Deuteranopia

30303A
3F3E54
717089
E4E4E2
707078

Tritanopia

303837
3C5150
6C8685
E5E2E2
707776

Achromatopsia

323232
444444
787878
E3E3E3
727272

Shades & Tints Shades & Tints

#30303E

Dark
Light

#3C445B

Dark
Light

#6B7A8F

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #30303e;
  --color-2: #3c445b;
  --color-3: #6b7a8f;
  --color-4: #e5e3e2;
  --color-5: #70717b;
}

SCSS

$color-1: #30303e;
$color-2: #3c445b;
$color-3: #6b7a8f;
$color-4: #e5e3e2;
$color-5: #70717b;

TAILWIND

colors: {
  'brand-1': '#30303e',
  'brand-2': '#3c445b',
  'brand-3': '#6b7a8f',
  'brand-4': '#e5e3e2',
  'brand-5': '#70717b',
}

RGB Array

[48, 48, 62], [60, 68, 91], [107, 122, 143], [229, 227, 226], [112, 113, 123]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #30303E, #3C445B, #6B7A8F, #E5E3E2, #70717B is ideal for: brand design, premium product pages, magazine layouts, infographics, data visualization, accessible design. Low-saturation colors convey a sophisticated, premium feel. High contrast ensures clear visual hierarchy and readability. 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: #30303e; --color-2: #3c445b; --color-3: #6b7a8f; --color-4: #e5e3e2; --color-5: #70717b. 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 5-color scheme is especially suited for tech, SaaS, healthcare, eco 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