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#311B31 · #3C4B57 · #248F8D · #B2D5BA · #E1E5DD

sea

A 5-color sea palette · Complete color analysis and application guide

Scene Recommendations Scene Recommendations

Emotion EMOTION

HarmoniousVersatileCool

Industry INDUSTRY

E-commerceBusiness

UI Context UI CONTEXT

Web PageComponent LibraryData Visualization

Color Details Color Details

#311B31

Rose Purple · DarkSlateGray · Dark Purple

HEX
#311B31
RGB
rgb(49, 27, 49)
HSL
hsl(300, 29%, 15%)
HSB
hsb(300, 45%, 19%)
CMYK
cmyk(0%, 45%, 0%, 81%)
Oklch
oklch(26.1% 0.050 326.9)

Traditional「Rose Purple」· Paint「Dark Purple」· Creative Blush Sunrise

#3C4B57

Slate Blue · DarkSlateGray · Prussian Blue

HEX
#3C4B57
RGB
rgb(60, 75, 87)
HSL
hsl(207, 18%, 29%)
HSB
hsb(207, 31%, 34%)
CMYK
cmyk(31%, 14%, 0%, 66%)
Oklch
oklch(40.5% 0.028 242.5)

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

#248F8D

Mineral Blue · Teal · Mint Ice

HEX
#248F8D
RGB
rgb(36, 143, 141)
HSL
hsl(179, 60%, 35%)
HSB
hsb(179, 75%, 56%)
CMYK
cmyk(75%, 0%, 1%, 44%)
Oklch
oklch(59.2% 0.092 193.1)

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

#B2D5BA

Celadon · Silver · Apple Green

HEX
#B2D5BA
RGB
rgb(178, 213, 186)
HSL
hsl(134, 29%, 77%)
HSB
hsb(134, 16%, 84%)
CMYK
cmyk(16%, 0%, 13%, 16%)
Oklch
oklch(84.0% 0.053 152.0)

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

#E1E5DD

Celadon · LightGray · Mint Green

HEX
#E1E5DD
RGB
rgb(225, 229, 221)
HSL
hsl(90, 13%, 88%)
HSB
hsb(90, 3%, 90%)
CMYK
cmyk(2%, 0%, 3%, 10%)
Oklch
oklch(91.7% 0.012 128.6)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

311B31
1B311B

Analogous

261B31
311B31
311B26

Triadic

311B31
31311B
1B3131

Split-Comp.

311B31
26311B
1B3126

Tetradic

311B31
31261B
1B311B
1B2631

Contrast Matrix WCAG 2.1 Contrast

311B31
3C4B57
248F8D
B2D5BA
E1E5DD
—
1.8
Fail
4.0
AA Large
9.9
AAA
12.4
AAA
1.8
Fail
—
2.3
Fail
5.6
AA
7.0
AAA
4.0
AA Large
2.3
Fail
—
2.4
Fail
3.1
AA Large
9.9
AAA
5.6
AA
2.4
Fail
—
1.3
Fail
12.4
AAA
7.0
AAA
3.1
AA Large
1.3
Fail
—
White BG
15.8AAA
9.0AAA
3.9AA Large
1.6Fail
1.3Fail
Black BG
1.3Fail
2.3Fail
5.4AA
13.1AAA
16.5AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

27272C
424354
52538D
C1C1C1
E3E3DF

Deuteranopia

292A2A
424153
4C448E
BFBDC2
E3E2DF

Tritanopia

302727
3D5251
298E8E
B4C6C7
E1E0E1

Achromatopsia

242424
484848
6F6F6F
C7C7C7
E3E3E3

Shades & Tints Shades & Tints

#311B31

Dark
Light

#3C4B57

Dark
Light

#248F8D

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #311b31;
  --color-2: #3c4b57;
  --color-3: #248f8d;
  --color-4: #b2d5ba;
  --color-5: #e1e5dd;
}

SCSS

$color-1: #311b31;
$color-2: #3c4b57;
$color-3: #248f8d;
$color-4: #b2d5ba;
$color-5: #e1e5dd;

TAILWIND

colors: {
  'brand-1': '#311b31',
  'brand-2': '#3c4b57',
  'brand-3': '#248f8d',
  'brand-4': '#b2d5ba',
  'brand-5': '#e1e5dd',
}

RGB Array

[49, 27, 49], [60, 75, 87], [36, 143, 141], [178, 213, 186], [225, 229, 221]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This sea-style palette of #311B31, #3C4B57, #248F8D, #B2D5BA, #E1E5DD 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: #311b31; --color-2: #3c4b57; --color-3: #248f8d; --color-4: #b2d5ba; --color-5: #e1e5dd. 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. 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