Charcoal

#04344D

Blue

Color Codes

All color formats for development

HEX
#04344D
RGB
rgb(4, 52, 77)
HSL
hsl(201, 90%, 16%)
OKLCH
oklch(0.309 0.065 238.1)
CMYK
cmyk(95%, 32%, 0%, 70%)

Accessibility

WCAG contrast compliance

On White Background

13.10:1

AA AAA

On Black Background

1.60:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F9
100
#DDF2
200
#C0E7
300
#90D4
400
#55BE
500
#25AB
600
#0B8E
700
#0971
800
#0651
900
#0434
950
#0320

Shades

Darker variations

1#042F46
2#03293E
3#032436
4#021F2F
5#021A27
6#02151F
7#011017
8#010A10
9#000508

Tints

Lighter variations

1#064F76
2#086A9F
3#0B85C8
4#0DA1F0
5#34B1F4
6#5CC0F6
7#85D0F9
8#AEE0FB
9#D6EFFD

Tones

Muted variations

1#08334A
2#0B3246
3#0F3143
4#132F3F
5#162E3B
6#1A2D37
7#1E2C34
8#212B30
9#252A2C

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F9
#F0F9FE
BackgroundsSubtle highlightsCard backgrounds
100
DDF2
#DDF2FD
Light backgroundsTable row hoverSkeleton loading
200
C0E7
#C0E7FC
Secondary backgroundsInput backgroundsDividers
300
90D4
#90D4F9
BordersInactive statesPlaceholder text
400
55BE
#55BEF6
Disabled statesSecondary iconsMuted text
500
25AB
#25ABF4
Primary brand colorCTAsActive elementsLinks
600
0B8E
#0B8ED5
Hover statesFocus ringsPrimary buttons hover
700
0971
#0971AA
Active/pressed statesDark mode accentsSecondary text
800
0651
#065179
Text on light backgroundsHeadingsStrong borders
900
0434
#04344E
Primary textHigh emphasis contentDark headings
950
0320
#032030
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F0F9FE;
  --charcoal-100: #DDF2FD;
  --charcoal-200: #C0E7FC;
  --charcoal-300: #90D4F9;
  --charcoal-400: #55BEF6;
  --charcoal-500: #25ABF4;
  --charcoal-600: #0B8ED5;
  --charcoal-700: #0971AA;
  --charcoal-800: #065179;
  --charcoal-900: #04344E;
  --charcoal-950: #032030;
}
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