Charcoal

#18283A

Blue

Color Codes

All color formats for development

HEX
#18283A
RGB
rgb(24, 40, 58)
HSL
hsl(212, 41%, 16%)
OKLCH
oklch(0.272 0.04 252.2)
CMYK
cmyk(59%, 31%, 0%, 77%)

Accessibility

WCAG contrast compliance

On White Background

14.96:1

AA AAA

On Black Background

1.40:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F7
100
#E6ED
200
#D0DD
300
#ACC3
400
#81A3
500
#5D89
600
#426D
700
#3557
800
#263E
900
#1828
950
#0F19

Shades

Darker variations

1#162434
2#13202E
3#111C28
4#0E1823
5#0C141D
6#0A1017
7#070C11
8#05080C
9#020406

Tints

Lighter variations

1#253D58
2#315176
3#3E6694
4#4B7BB2
5#6891C0
6#86A7CC
7#A4BDD9
8#C3D3E6
9#E1E9F2

Tones

Muted variations

1#1A2838
2#1B2836
3#1D2835
4#1F2833
5#202831
6#22282F
7#24282E
8#25292C
9#27292A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F7
#F4F7FA
BackgroundsSubtle highlightsCard backgrounds
100
E6ED
#E6EDF4
Light backgroundsTable row hoverSkeleton loading
200
D0DD
#D0DDEB
Secondary backgroundsInput backgroundsDividers
300
ACC3
#ACC3DC
BordersInactive statesPlaceholder text
400
81A3
#81A3CA
Disabled statesSecondary iconsMuted text
500
5D89
#5D89BB
Primary brand colorCTAsActive elementsLinks
600
426D
#426D9E
Hover statesFocus ringsPrimary buttons hover
700
3557
#35577E
Active/pressed statesDark mode accentsSecondary text
800
263E
#263E5A
Text on light backgroundsHeadingsStrong borders
900
1828
#18283A
Primary textHigh emphasis contentDark headings
950
0F19
#0F1924
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F7FA;
  --charcoal-100: #E6EDF4;
  --charcoal-200: #D0DDEB;
  --charcoal-300: #ACC3DC;
  --charcoal-400: #81A3CA;
  --charcoal-500: #5D89BB;
  --charcoal-600: #426D9E;
  --charcoal-700: #35577E;
  --charcoal-800: #263E5A;
  --charcoal-900: #18283A;
  --charcoal-950: #0F1924;
}
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