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#000000 · #404AE1 · #637E9A · #659DFD · #F4F9EF

sea

A 5-color sea 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

#000000

Ink Black · Black · Jet Black

HEX
#000000
RGB
rgb(0, 0, 0)
HSL
hsl(0, 0%, 0%)
HSB
hsb(0, 0%, 0%)
CMYK
cmyk(0%, 0%, 0%, 100%)
Oklch
oklch(0.0% 0.000 0.0)

Traditional「Ink Black」· Paint「Jet Black」· Creative Midnight Shadow

#404AE1

Azure · SlateBlue · Navy Blue

HEX
#404AE1
RGB
rgb(64, 74, 225)
HSL
hsl(236, 73%, 57%)
HSB
hsb(236, 72%, 88%)
CMYK
cmyk(72%, 67%, 0%, 12%)
Oklch
oklch(50.4% 0.224 272.2)

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

#637E9A

Indigo · SlateGray · Navy Blue

HEX
#637E9A
RGB
rgb(99, 126, 154)
HSL
hsl(211, 22%, 50%)
HSB
hsb(211, 36%, 60%)
CMYK
cmyk(36%, 18%, 0%, 40%)
Oklch
oklch(58.3% 0.053 249.7)

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

#659DFD

Azure · CornflowerBlue · Cobalt Blue

HEX
#659DFD
RGB
rgb(101, 157, 253)
HSL
hsl(218, 97%, 69%)
HSB
hsb(218, 60%, 99%)
CMYK
cmyk(60%, 38%, 0%, 1%)
Oklch
oklch(70.1% 0.153 260.5)

Traditional「Azure」· Paint「Cobalt Blue」· Creative Twilight Haze

#F4F9EF

Celadon · SeaShell · Mint Green

HEX
#F4F9EF
RGB
rgb(244, 249, 239)
HSL
hsl(90, 45%, 96%)
HSB
hsb(90, 4%, 98%)
CMYK
cmyk(2%, 0%, 4%, 2%)
Oklch
oklch(97.6% 0.014 128.6)

Traditional「Celadon」· Paint「Mint Green」· Creative Mint Breeze

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

000000
000000

Analogous

000000
000000
000000

Triadic

000000
000000
000000

Split-Comp.

000000
000000
000000

Tetradic

000000
000000
000000
000000

Contrast Matrix WCAG 2.1 Contrast

000000
404AE1
637E9A
659DFD
F4F9EF
—
3.3
AA Large
5.0
AA
7.8
AAA
19.6
AAA
3.3
AA Large
—
1.5
Fail
2.4
Fail
6.0
AA
5.0
AA
1.5
Fail
—
1.6
Fail
3.9
AA Large
7.8
AAA
2.4
Fail
1.6
Fail
—
2.5
Fail
19.6
AAA
6.0
AA
3.9
AA Large
2.5
Fail
—
White BG
21.0AAA
6.4AA
4.2AA Large
2.7Fail
1.1Fail
Black BG
1.0Fail
3.3AA Large
5.0AA
7.8AAA
19.6AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

000000
4444BC
6F6F93
7D7EE6
F6F6F1

Deuteranopia

000000
4443B4
6D6B92
7A76E0
F6F6F2

Tritanopia

000000
41A099
648E8D
68D3CF
F4F3F4

Achromatopsia

000000
585858
797979
979797
F6F6F6

Shades & Tints Shades & Tints

#000000

Dark
Light

#404AE1

Dark
Light

#637E9A

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #000000;
  --color-2: #404ae1;
  --color-3: #637e9a;
  --color-4: #659dfd;
  --color-5: #f4f9ef;
}

SCSS

$color-1: #000000;
$color-2: #404ae1;
$color-3: #637e9a;
$color-4: #659dfd;
$color-5: #f4f9ef;

TAILWIND

colors: {
  'brand-1': '#000000',
  'brand-2': '#404ae1',
  'brand-3': '#637e9a',
  'brand-4': '#659dfd',
  'brand-5': '#f4f9ef',
}

RGB Array

[0, 0, 0], [64, 74, 225], [99, 126, 154], [101, 157, 253], [244, 249, 239]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This sea-style palette of #000000, #404AE1, #637E9A, #659DFD, #F4F9EF is ideal for: infographics, data visualization, accessible design. High contrast ensures clear visual hierarchy and readability. It is a balanced and harmonious choice among 5-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #000000; --color-2: #404ae1; --color-3: #637e9a; --color-4: #659dfd; --color-5: #f4f9ef. 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 sea-style 5-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