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#3F406B · #50507A · #E6E3D1 · #D1E6D6 · #9FE0D5

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

#3F406B

Indigo · DarkSlateBlue · Prussian Blue

HEX
#3F406B
RGB
rgb(63, 64, 107)
HSL
hsl(239, 26%, 33%)
HSB
hsb(239, 41%, 42%)
CMYK
cmyk(41%, 40%, 0%, 58%)
Oklch
oklch(39.1% 0.072 281.5)

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

#50507A

Deep Indigo · DarkSlateBlue · Prussian Blue

HEX
#50507A
RGB
rgb(80, 80, 122)
HSL
hsl(240, 21%, 40%)
HSB
hsb(240, 34%, 48%)
CMYK
cmyk(34%, 34%, 0%, 52%)
Oklch
oklch(45.0% 0.068 283.3)

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

#E6E3D1

Fresh Green · LightGray · Lemon Cream

HEX
#E6E3D1
RGB
rgb(230, 227, 209)
HSL
hsl(51, 30%, 86%)
HSB
hsb(51, 9%, 90%)
CMYK
cmyk(0%, 1%, 9%, 10%)
Oklch
oklch(91.3% 0.024 99.1)

Traditional「Fresh Green」· Paint「Lemon Cream」· Creative Lemon Fizz

#D1E6D6

Celadon · LightGray · Mint Green

HEX
#D1E6D6
RGB
rgb(209, 230, 214)
HSL
hsl(134, 30%, 86%)
HSB
hsb(134, 9%, 90%)
CMYK
cmyk(9%, 0%, 7%, 10%)
Oklch
oklch(90.5% 0.031 152.8)

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

#9FE0D5

Jade · LightBlue · Lake Green

HEX
#9FE0D5
RGB
rgb(159, 224, 213)
HSL
hsl(170, 51%, 75%)
HSB
hsb(170, 29%, 88%)
CMYK
cmyk(29%, 0%, 5%, 12%)
Oklch
oklch(86.0% 0.067 183.0)

Traditional「Jade」· Paint「Lake Green」· Creative Arctic Pool

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

3F406B
6A693E

Analogous

3E556A
3F406B
533E6A

Triadic

3F406B
6A3E3F
3F6A3E

Split-Comp.

3F406B
6A533E
556A3E

Tetradic

3F406B
6A3E55
6A693E
3E6A53

Contrast Matrix WCAG 2.1 Contrast

3F406B
50507A
E6E3D1
D1E6D6
9FE0D5
—
1.3
Fail
7.5
AAA
7.4
AAA
6.5
AA
1.3
Fail
—
5.9
AA
5.8
AA
5.1
AA
7.5
AAA
5.9
AA
—
1.0
Fail
1.2
Fail
7.4
AAA
5.8
AA
1.0
Fail
—
1.1
Fail
6.5
AA
5.1
AA
1.2
Fail
1.1
Fail
—
White BG
9.7AAA
7.6AAA
1.3Fail
1.3Fail
1.5Fail
Black BG
2.2Fail
2.8Fail
16.3AAA
16.0AAA
14.1AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

3F3F61
505070
E5E5D5
DADADA
BBBCD8

Deuteranopia

3F3F5E
50506D
E5E5D6
D9D7DB
B7B3D8

Tritanopia

3F5857
506866
E6D9DA
D2DDDE
A2DADA

Achromatopsia

454545
555555
E2E2E2
DEDEDE
CBCBCB

Shades & Tints Shades & Tints

#3F406B

Dark
Light

#50507A

Dark
Light

#E6E3D1

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #3f406b;
  --color-2: #50507a;
  --color-3: #e6e3d1;
  --color-4: #d1e6d6;
  --color-5: #9fe0d5;
}

SCSS

$color-1: #3f406b;
$color-2: #50507a;
$color-3: #e6e3d1;
$color-4: #d1e6d6;
$color-5: #9fe0d5;

TAILWIND

colors: {
  'brand-1': '#3f406b',
  'brand-2': '#50507a',
  'brand-3': '#e6e3d1',
  'brand-4': '#d1e6d6',
  'brand-5': '#9fe0d5',
}

RGB Array

[63, 64, 107], [80, 80, 122], [230, 227, 209], [209, 230, 214], [159, 224, 213]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This sea-style palette of #3F406B, #50507A, #E6E3D1, #D1E6D6, #9FE0D5 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: #3f406b; --color-2: #50507a; --color-3: #e6e3d1; --color-4: #d1e6d6; --color-5: #9fe0d5. 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