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#121233 · #121266 · #121299 · #1212CC · #0000FF

dark

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

PassionateDynamicCool

Industry INDUSTRY

EntertainmentFMCG

UI Context UI CONTEXT

Sale PromoSocial App

Color Details Color Details

#121233

Deep Indigo · Black · Deep Sea Blue

HEX
#121233
RGB
rgb(18, 18, 51)
HSL
hsl(240, 48%, 14%)
HSB
hsb(240, 65%, 20%)
CMYK
cmyk(65%, 65%, 0%, 80%)
Oklch
oklch(20.5% 0.063 279.2)

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

#121266

Deep Indigo · MidnightBlue · Prussian Blue

HEX
#121266
RGB
rgb(18, 18, 102)
HSL
hsl(240, 70%, 24%)
HSB
hsb(240, 82%, 40%)
CMYK
cmyk(82%, 82%, 0%, 60%)
Oklch
oklch(26.1% 0.140 271.3)

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

#121299

Deep Indigo · Navy · Prussian Blue

HEX
#121299
RGB
rgb(18, 18, 153)
HSL
hsl(240, 79%, 34%)
HSB
hsb(240, 88%, 60%)
CMYK
cmyk(88%, 88%, 0%, 40%)
Oklch
oklch(32.7% 0.201 267.8)

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

#1212CC

Deep Indigo · MediumBlue · Navy Blue

HEX
#1212CC
RGB
rgb(18, 18, 204)
HSL
hsl(240, 84%, 44%)
HSB
hsb(240, 91%, 80%)
CMYK
cmyk(91%, 91%, 0%, 20%)
Oklch
oklch(39.5% 0.256 266.2)

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

#0000FF

Deep Indigo · Blue · Navy Blue

HEX
#0000FF
RGB
rgb(0, 0, 255)
HSL
hsl(240, 100%, 50%)
HSB
hsb(240, 100%, 100%)
CMYK
cmyk(100%, 100%, 0%, 0%)
Oklch
oklch(45.2% 0.313 264.1)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

121233
353513

Analogous

132435
121233
241335

Triadic

121233
351313
133513

Split-Comp.

121233
352413
243513

Tetradic

121233
351324
353513
133524

Contrast Matrix WCAG 2.1 Contrast

121233
121266
121299
1212CC
0000FF
—
1.1
Fail
1.4
Fail
1.7
Fail
2.1
Fail
1.1
Fail
—
1.2
Fail
1.5
Fail
1.9
Fail
1.4
Fail
1.2
Fail
—
1.3
Fail
1.6
Fail
1.7
Fail
1.5
Fail
1.3
Fail
—
1.2
Fail
2.1
Fail
1.9
Fail
1.6
Fail
1.2
Fail
—
White BG
18.1AAA
16.1AAA
13.4AAA
10.6AAA
8.6AAA
Black BG
1.2Fail
1.3Fail
1.6Fail
2.0Fail
2.4Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

12122B
121252
121278
12129F
0000C1

Deuteranopia

121229
12124D
121271
121294
0000B3

Tritanopia

122523
12423E
125F59
127B74
009186

Achromatopsia

161616
1C1C1C
212121
272727
1D1D1D

Shades & Tints Shades & Tints

#121233

Dark
Light

#121266

Dark
Light

#121299

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #121233;
  --color-2: #121266;
  --color-3: #121299;
  --color-4: #1212cc;
  --color-5: #0000ff;
}

SCSS

$color-1: #121233;
$color-2: #121266;
$color-3: #121299;
$color-4: #1212cc;
$color-5: #0000ff;

TAILWIND

colors: {
  'brand-1': '#121233',
  'brand-2': '#121266',
  'brand-3': '#121299',
  'brand-4': '#1212cc',
  'brand-5': '#0000ff',
}

RGB Array

[18, 18, 51], [18, 18, 102], [18, 18, 153], [18, 18, 204], [0, 0, 255]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This dark-style palette of #121233, #121266, #121299, #1212CC, #0000FF 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: #121233; --color-2: #121266; --color-3: #121299; --color-4: #1212cc; --color-5: #0000ff. 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 dark-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