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#660000 · #660066 · #660099 · #6600CC · #6600FF

A 5-color palette 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

#660000

Vermilion · Maroon · Deep Berry

HEX
#660000
RGB
rgb(102, 0, 0)
HSL
hsl(0, 100%, 20%)
HSB
hsb(0, 100%, 40%)
CMYK
cmyk(0%, 100%, 100%, 60%)
Oklch
oklch(32.0% 0.131 29.2)

Traditional「Vermilion」· Paint「Deep Berry」· Creative Blush Sunrise

#660066

Rose Purple · Purple · Dark Purple

HEX
#660066
RGB
rgb(102, 0, 102)
HSL
hsl(300, 100%, 20%)
HSB
hsb(300, 100%, 40%)
CMYK
cmyk(0%, 100%, 0%, 60%)
Oklch
oklch(35.8% 0.165 328.4)

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

#660099

Royal Purple · Purple · Eggplant

HEX
#660099
RGB
rgb(102, 0, 153)
HSL
hsl(280, 100%, 30%)
HSB
hsb(280, 100%, 60%)
CMYK
cmyk(33%, 100%, 0%, 40%)
Oklch
oklch(40.0% 0.204 307.9)

Traditional「Royal Purple」· Paint「Eggplant」· Creative Blush Sunrise

#6600CC

Royal Purple · DarkViolet · Eggplant

HEX
#6600CC
RGB
rgb(102, 0, 204)
HSL
hsl(270, 100%, 40%)
HSB
hsb(270, 100%, 80%)
CMYK
cmyk(50%, 100%, 0%, 20%)
Oklch
oklch(44.9% 0.248 294.3)

Traditional「Royal Purple」· Paint「Eggplant」· Creative Blush Sunrise

#6600FF

Deep Indigo · DarkViolet · Violet

HEX
#6600FF
RGB
rgb(102, 0, 255)
HSL
hsl(264, 100%, 50%)
HSB
hsb(264, 100%, 100%)
CMYK
cmyk(60%, 100%, 0%, 0%)
Oklch
oklch(50.4% 0.294 285.4)

Traditional「Deep Indigo」· Paint「Violet」· Creative Blush Sunrise

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

660000
006666

Analogous

660033
660000
663300

Triadic

660000
006600
000066

Split-Comp.

660000
006633
003366

Tetradic

660000
336600
006666
330066

Contrast Matrix WCAG 2.1 Contrast

660000
660066
660099
6600CC
6600FF
—
1.1
Fail
1.3
Fail
1.6
Fail
1.9
Fail
1.1
Fail
—
1.2
Fail
1.4
Fail
1.7
Fail
1.3
Fail
1.2
Fail
—
1.2
Fail
1.5
Fail
1.6
Fail
1.4
Fail
1.2
Fail
—
1.2
Fail
1.9
Fail
1.7
Fail
1.5
Fail
1.2
Fail
—
White BG
13.4AAA
12.0AAA
10.4AAA
8.6AAA
7.0AA
Black BG
1.6Fail
1.8Fail
2.0Fail
2.4Fail
3.0AA Large

Color Blindness Simulation Color Blindness Simulation

Protanopia

3A3900
3A394D
3A3974
3A399B
3A39C1

Deuteranopia

404700
404747
40476B
40478F
4047B3

Tritanopia

610000
613A36
615750
61746B
619186

Achromatopsia

1E1E1E
2A2A2A
303030
363636
3C3C3C

Shades & Tints Shades & Tints

#660000

Dark
Light

#660066

Dark
Light

#660099

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #660000;
  --color-2: #660066;
  --color-3: #660099;
  --color-4: #6600cc;
  --color-5: #6600ff;
}

SCSS

$color-1: #660000;
$color-2: #660066;
$color-3: #660099;
$color-4: #6600cc;
$color-5: #6600ff;

TAILWIND

colors: {
  'brand-1': '#660000',
  'brand-2': '#660066',
  'brand-3': '#660099',
  'brand-4': '#6600cc',
  'brand-5': '#6600ff',
}

RGB Array

[102, 0, 0], [102, 0, 102], [102, 0, 153], [102, 0, 204], [102, 0, 255]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #660000, #660066, #660099, #6600CC, #6600FF 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: #660000; --color-2: #660066; --color-3: #660099; --color-4: #6600cc; --color-5: #6600ff. 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 general-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