Charcoal

#181F3A

Blue

Color Codes

All color formats for development

HEX
#181F3A
RGB
rgb(24, 31, 58)
HSL
hsl(228, 41%, 16%)
OKLCH
oklch(0.248 0.052 271.2)
CMYK
cmyk(59%, 47%, 0%, 77%)

Accessibility

WCAG contrast compliance

On White Background

16.20:1

AA AAA

On Black Background

1.30:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F5
100
#E6E9
200
#D0D6
300
#ACB6
400
#8190
500
#5D70
600
#4255
700
#3543
800
#2630
900
#181F
950
#0F13

Shades

Darker variations

1#161C34
2#13192E
3#111628
4#0E1223
5#0C0F1D
6#0A0C17
7#070911
8#05060C
9#020306

Tints

Lighter variations

1#252F58
2#313F76
3#3E4F94
4#4B5FB2
5#687AC0
6#8694CC
7#A4AFD9
8#C3CAE6
9#E1E4F2

Tones

Muted variations

1#1A2038
2#1B2136
3#1D2235
4#1F2333
5#202431
6#22252F
7#24262E
8#25272C
9#27282A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F5
#F4F5FA
BackgroundsSubtle highlightsCard backgrounds
100
E6E9
#E6E9F4
Light backgroundsTable row hoverSkeleton loading
200
D0D6
#D0D6EB
Secondary backgroundsInput backgroundsDividers
300
ACB6
#ACB6DC
BordersInactive statesPlaceholder text
400
8190
#8190CA
Disabled statesSecondary iconsMuted text
500
5D70
#5D70BB
Primary brand colorCTAsActive elementsLinks
600
4255
#42559E
Hover statesFocus ringsPrimary buttons hover
700
3543
#35437E
Active/pressed statesDark mode accentsSecondary text
800
2630
#26305A
Text on light backgroundsHeadingsStrong borders
900
181F
#181F3A
Primary textHigh emphasis contentDark headings
950
0F13
#0F1324
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F5FA;
  --charcoal-100: #E6E9F4;
  --charcoal-200: #D0D6EB;
  --charcoal-300: #ACB6DC;
  --charcoal-400: #8190CA;
  --charcoal-500: #5D70BB;
  --charcoal-600: #42559E;
  --charcoal-700: #35437E;
  --charcoal-800: #26305A;
  --charcoal-900: #181F3A;
  --charcoal-950: #0F1324;
}
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