Charcoal

#16303B

Blue

Color Codes

All color formats for development

HEX
#16303B
RGB
rgb(22, 48, 59)
HSL
hsl(198, 46%, 16%)
OKLCH
oklch(0.294 0.038 227.7)
CMYK
cmyk(63%, 19%, 0%, 77%)

Accessibility

WCAG contrast compliance

On White Background

13.82:1

AA AAA

On Black Background

1.52:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F9
100
#E5F0
200
#CFE4
300
#A9CF
400
#7DB6
500
#57A1
600
#3D85
700
#306A
800
#224B
900
#1630
950
#0E1E

Shades

Darker variations

1#142B36
2#122730
3#0F222A
4#0D1D24
5#0B181E
6#091318
7#070E12
8#040A0C
9#020506

Tints

Lighter variations

1#224A5B
2#2D637A
3#397C99
4#4496B9
5#63A8C5
6#82B9D1
7#A1CBDC
8#C0DCE8
9#E0EEF3

Tones

Muted variations

1#18303A
2#1A2F38
3#1C2E36
4#1E2D34
5#1F2D32
6#212C30
7#232B2E
8#252A2D
9#272A2B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F9
#F4F9FB
BackgroundsSubtle highlightsCard backgrounds
100
E5F0
#E5F0F5
Light backgroundsTable row hoverSkeleton loading
200
CFE4
#CFE4ED
Secondary backgroundsInput backgroundsDividers
300
A9CF
#A9CFDF
BordersInactive statesPlaceholder text
400
7DB6
#7DB6CF
Disabled statesSecondary iconsMuted text
500
57A1
#57A1C1
Primary brand colorCTAsActive elementsLinks
600
3D85
#3D85A4
Hover statesFocus ringsPrimary buttons hover
700
306A
#306A82
Active/pressed statesDark mode accentsSecondary text
800
224B
#224B5D
Text on light backgroundsHeadingsStrong borders
900
1630
#16303C
Primary textHigh emphasis contentDark headings
950
0E1E
#0E1E25
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F9FB;
  --charcoal-100: #E5F0F5;
  --charcoal-200: #CFE4ED;
  --charcoal-300: #A9CFDF;
  --charcoal-400: #7DB6CF;
  --charcoal-500: #57A1C1;
  --charcoal-600: #3D85A4;
  --charcoal-700: #306A82;
  --charcoal-800: #224B5D;
  --charcoal-900: #16303C;
  --charcoal-950: #0E1E25;
}
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