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#ECF0F3 · #D9E1E3 · #B3BBBD · #A5B2BD · #455054

cool

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

AiryCleanCool

Industry INDUSTRY

HealthcareSaaS

UI Context UI CONTEXT

WorkspaceReadingData Visualization

Color Details Color Details

#ECF0F3

Sky Blue · Lavender · Sky Blue

HEX
#ECF0F3
RGB
rgb(236, 240, 243)
HSL
hsl(206, 23%, 94%)
HSB
hsb(206, 3%, 95%)
CMYK
cmyk(3%, 1%, 0%, 5%)
Oklch
oklch(95.3% 0.006 239.8)

TraditionalSky Blue」· PaintSky Blue」· Creative Twilight Haze

#D9E1E3

Sky Blue · LightGray · Glacier Blue

HEX
#D9E1E3
RGB
rgb(217, 225, 227)
HSL
hsl(192, 15%, 87%)
HSB
hsb(192, 4%, 89%)
CMYK
cmyk(4%, 1%, 0%, 11%)
Oklch
oklch(90.4% 0.009 214.3)

TraditionalSky Blue」· PaintGlacier Blue」· Creative Arctic Pool

#B3BBBD

Silver Gray · Silver · Pearl Gray

HEX
#B3BBBD
RGB
rgb(179, 187, 189)
HSL
hsl(192, 7%, 72%)
HSB
hsb(192, 5%, 74%)
CMYK
cmyk(5%, 1%, 0%, 26%)
Oklch
oklch(78.6% 0.009 214.4)

TraditionalSilver Gray」· PaintPearl Gray」· Creative Silver Lining

#A5B2BD

Sky Blue · DarkGray · Cobalt Blue

HEX
#A5B2BD
RGB
rgb(165, 178, 189)
HSL
hsl(208, 15%, 69%)
HSB
hsb(208, 13%, 74%)
CMYK
cmyk(13%, 6%, 0%, 26%)
Oklch
oklch(75.7% 0.021 243.5)

TraditionalSky Blue」· PaintCobalt Blue」· Creative Twilight Haze

#455054

Slate Blue · DarkSlateGray · Mint Ice

HEX
#455054
RGB
rgb(69, 80, 84)
HSL
hsl(196, 10%, 30%)
HSB
hsb(196, 18%, 33%)
CMYK
cmyk(18%, 5%, 0%, 67%)
Oklch
oklch(42.3% 0.016 221.7)

TraditionalSlate Blue」· PaintMint Ice」· Creative Blush Sunrise

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

ECF0F3
F3EFEC

Analogous

ECF3F3
ECF0F3
ECEDF3

Triadic

ECF0F3
F3ECF0
F0F3EC

Split-Comp.

ECF0F3
F3ECED
F3F3EC

Tetradic

ECF0F3
F3ECF3
F3EFEC
EDF3EC

Contrast Matrix WCAG 2.1 Contrast

ECF0F3
D9E1E3
B3BBBD
A5B2BD
455054
1.2
Fail
1.7
Fail
1.9
Fail
7.2
AAA
1.2
Fail
1.5
Fail
1.6
Fail
6.3
AA
1.7
Fail
1.5
Fail
1.1
Fail
4.3
AA Large
1.9
Fail
1.6
Fail
1.1
Fail
3.8
AA Large
7.2
AAA
6.3
AA
4.3
AA Large
3.8
AA Large
White BG
1.1Fail
1.3Fail
2.0Fail
2.2Fail
8.3AAA
Black BG
18.3AAA
15.8AAA
10.8AAA
9.7AAA
2.5Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

EEEEF2
DCDDE3
B6B7BD
ABABBA
4A4A53

Deuteranopia

EEEDF2
DCDBE2
B6B5BC
AAA9BA
494853

Tritanopia

ECF2F2
D9E2E2
B3BCBC
A6B8B8
465252

Achromatopsia

EFEFEF
DFDFDF
B9B9B9
AFAFAF
4D4D4D

Shades & Tints Shades & Tints

#ECF0F3

Dark
Light

#D9E1E3

Dark
Light

#B3BBBD

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #ecf0f3;
  --color-2: #d9e1e3;
  --color-3: #b3bbbd;
  --color-4: #a5b2bd;
  --color-5: #455054;
}

SCSS

$color-1: #ecf0f3;
$color-2: #d9e1e3;
$color-3: #b3bbbd;
$color-4: #a5b2bd;
$color-5: #455054;

TAILWIND

colors: {
  'brand-1': '#ecf0f3',
  'brand-2': '#d9e1e3',
  'brand-3': '#b3bbbd',
  'brand-4': '#a5b2bd',
  'brand-5': '#455054',
}

RGB Array

[236, 240, 243], [217, 225, 227], [179, 187, 189], [165, 178, 189], [69, 80, 84]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This cool-style palette of #ECF0F3, #D9E1E3, #B3BBBD, #A5B2BD, #455054 is ideal for: brand design, premium product pages, magazine layouts, health products, baby brands, fresh-style blogs, 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: #ecf0f3; --color-2: #d9e1e3; --color-3: #b3bbbd; --color-4: #a5b2bd; --color-5: #455054. 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?

Light tones suit backgrounds; use dark colors for body text. Mid-tones work for card backgrounds or dividers to add depth. 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 cool-style 5-color scheme is especially suited for beauty, lifestyle, arts 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