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#282C42 · #B50039 · #DE5500 · #B3C700 · #007E8C

cool

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

PassionateDynamicWarmCool

Industry INDUSTRY

EntertainmentFMCG

UI Context UI CONTEXT

Sale PromoSocial App

Color Details Color Details

#282C42

Indigo · DarkSlateGray · Prussian Blue

HEX
#282C42
RGB
rgb(40, 44, 66)
HSL
hsl(231, 25%, 21%)
HSB
hsb(231, 39%, 26%)
CMYK
cmyk(39%, 33%, 0%, 74%)
Oklch
oklch(30.0% 0.040 275.8)

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

#B50039

Dark Violet · FireBrick · Camellia

HEX
#B50039
RGB
rgb(181, 0, 57)
HSL
hsl(341, 100%, 35%)
HSB
hsb(341, 100%, 71%)
CMYK
cmyk(0%, 100%, 69%, 29%)
Oklch
oklch(49.1% 0.196 15.7)

Traditional「Dark Violet」· Paint「Camellia」· Creative Blush Sunrise

#DE5500

Tangerine · OrangeRed · Amber Brown

HEX
#DE5500
RGB
rgb(222, 85, 0)
HSL
hsl(23, 100%, 44%)
HSB
hsb(23, 100%, 87%)
CMYK
cmyk(0%, 62%, 100%, 13%)
Oklch
oklch(62.3% 0.186 42.5)

Traditional「Tangerine」· Paint「Amber Brown」· Creative Blush Sunrise

#B3C700

Autumn Sage · GoldenRod · Honey Gold

HEX
#B3C700
RGB
rgb(179, 199, 0)
HSL
hsl(66, 100%, 39%)
HSB
hsb(66, 100%, 78%)
CMYK
cmyk(10%, 0%, 100%, 22%)
Oklch
oklch(78.7% 0.181 116.8)

Traditional「Autumn Sage」· Paint「Honey Gold」· Creative Blush Sunrise

#007E8C

Lake Blue · Teal · Mint Ice

HEX
#007E8C
RGB
rgb(0, 126, 140)
HSL
hsl(186, 100%, 27%)
HSB
hsb(186, 100%, 55%)
CMYK
cmyk(100%, 10%, 0%, 45%)
Oklch
oklch(54.3% 0.093 208.4)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

282C42
433F28

Analogous

283A43
282C42
322843

Triadic

282C42
43282C
2C4328

Split-Comp.

282C42
433228
3A4328

Tetradic

282C42
43283A
433F28
284332

Contrast Matrix WCAG 2.1 Contrast

282C42
B50039
DE5500
B3C700
007E8C
—
2.0
Fail
3.5
AA Large
7.2
AAA
2.9
Fail
2.0
Fail
—
1.8
Fail
3.7
AA Large
1.4
Fail
3.5
AA Large
1.8
Fail
—
2.1
Fail
1.2
Fail
7.2
AAA
3.7
AA Large
2.1
Fail
—
2.5
Fail
2.9
Fail
1.4
Fail
1.2
Fail
2.5
Fail
—
White BG
13.7AAA
6.9AA
3.9AA Large
1.9Fail
4.8AA
Black BG
1.5Fail
3.0AA Large
5.4AA
11.1AAA
4.4AA Large

Color Blindness Simulation Color Blindness Simulation

Protanopia

2A2A3D
67652B
A3A115
BCBC30
373889

Deuteranopia

2A293B
717F28
ABB51A
BBB93C
2F2688

Tritanopia

283838
AC201E
D72528
B4565F
068685

Achromatopsia

2D2D2D
3D3D3D
747474
AAAAAA
5A5A5A

Shades & Tints Shades & Tints

#282C42

Dark
Light

#B50039

Dark
Light

#DE5500

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #282c42;
  --color-2: #b50039;
  --color-3: #de5500;
  --color-4: #b3c700;
  --color-5: #007e8c;
}

SCSS

$color-1: #282c42;
$color-2: #b50039;
$color-3: #de5500;
$color-4: #b3c700;
$color-5: #007e8c;

TAILWIND

colors: {
  'brand-1': '#282c42',
  'brand-2': '#b50039',
  'brand-3': '#de5500',
  'brand-4': '#b3c700',
  'brand-5': '#007e8c',
}

RGB Array

[40, 44, 66], [181, 0, 57], [222, 85, 0], [179, 199, 0], [0, 126, 140]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This cool-style palette of #282C42, #B50039, #DE5500, #B3C700, #007E8C is ideal for: social media posters, mobile apps, e-commerce promos, tech websites, dark mode UIs, game UIs. Vivid colors effectively attract user attention. It is a vibrant and energetic choice among 5-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #282c42; --color-2: #b50039; --color-3: #de5500; --color-4: #b3c700; --color-5: #007e8c. 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?

Dark tones work well as backgrounds; pair with light text for readability. Use the brightest color for CTA buttons and interactive elements. 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 food & dining, entertainment, kids education, social industries. Bold colors convey vitality and innovation. 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