Charcoal

#181B3A

Blue

Color Codes

All color formats for development

HEX
#181B3A
RGB
rgb(24, 27, 58)
HSL
hsl(235, 41%, 16%)
OKLCH
oklch(0.238 0.059 276.8)
CMYK
cmyk(59%, 53%, 0%, 77%)

Accessibility

WCAG contrast compliance

On White Background

16.71:1

AA AAA

On Black Background

1.26:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F5
100
#E6E7
200
#D0D3
300
#ACB0
400
#8187
500
#5D65
600
#424A
700
#353B
800
#262A
900
#181B
950
#0F11

Shades

Darker variations

1#161834
2#13152E
3#111328
4#0E1023
5#0C0D1D
6#0A0B17
7#070811
8#05050C
9#020306

Tints

Lighter variations

1#252958
2#313776
3#3E4594
4#4B53B2
5#686FC0
6#868CCC
7#A4A9D9
8#C3C6E6
9#E1E2F2

Tones

Muted variations

1#1A1C38
2#1B1E36
3#1D1F35
4#1F2033
5#202231
6#22232F
7#24252E
8#25262C
9#27272A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F5
#F4F5FA
BackgroundsSubtle highlightsCard backgrounds
100
E6E7
#E6E7F4
Light backgroundsTable row hoverSkeleton loading
200
D0D3
#D0D3EB
Secondary backgroundsInput backgroundsDividers
300
ACB0
#ACB0DC
BordersInactive statesPlaceholder text
400
8187
#8187CA
Disabled statesSecondary iconsMuted text
500
5D65
#5D65BB
Primary brand colorCTAsActive elementsLinks
600
424A
#424A9E
Hover statesFocus ringsPrimary buttons hover
700
353B
#353B7E
Active/pressed statesDark mode accentsSecondary text
800
262A
#262A5A
Text on light backgroundsHeadingsStrong borders
900
181B
#181B3A
Primary textHigh emphasis contentDark headings
950
0F11
#0F1124
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F5FA;
  --charcoal-100: #E6E7F4;
  --charcoal-200: #D0D3EB;
  --charcoal-300: #ACB0DC;
  --charcoal-400: #8187CA;
  --charcoal-500: #5D65BB;
  --charcoal-600: #424A9E;
  --charcoal-700: #353B7E;
  --charcoal-800: #262A5A;
  --charcoal-900: #181B3A;
  --charcoal-950: #0F1124;
}
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