Charcoal

#182339

Blue

Color Codes

All color formats for development

HEX
#182339
RGB
rgb(24, 35, 57)
HSL
hsl(220, 41%, 16%)
OKLCH
oklch(0.258 0.045 263.3)
CMYK
cmyk(58%, 39%, 0%, 78%)

Accessibility

WCAG contrast compliance

On White Background

15.69:1

AA AAA

On Black Background

1.34:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F6
100
#E6EB
200
#D0D9
300
#ACBC
400
#819A
500
#5D7D
600
#4261
700
#354D
800
#2637
900
#1823
950
#0F16

Shades

Darker variations

1#162034
2#131C2E
3#111928
4#0E1523
5#0C121D
6#0A0E17
7#070B11
8#05070C
9#020406

Tints

Lighter variations

1#253658
2#314876
3#3E5B94
4#4B6DB2
5#6885C0
6#869ECC
7#A4B6D9
8#C3CEE6
9#E1E7F2

Tones

Muted variations

1#1A2438
2#1B2436
3#1D2535
4#1F2533
5#202631
6#22272F
7#24272E
8#25282C
9#27282A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F6
#F4F6FA
BackgroundsSubtle highlightsCard backgrounds
100
E6EB
#E6EBF4
Light backgroundsTable row hoverSkeleton loading
200
D0D9
#D0D9EB
Secondary backgroundsInput backgroundsDividers
300
ACBC
#ACBCDC
BordersInactive statesPlaceholder text
400
819A
#819ACA
Disabled statesSecondary iconsMuted text
500
5D7D
#5D7DBB
Primary brand colorCTAsActive elementsLinks
600
4261
#42619E
Hover statesFocus ringsPrimary buttons hover
700
354D
#354D7E
Active/pressed statesDark mode accentsSecondary text
800
2637
#26375A
Text on light backgroundsHeadingsStrong borders
900
1823
#18233A
Primary textHigh emphasis contentDark headings
950
0F16
#0F1624
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F6FA;
  --charcoal-100: #E6EBF4;
  --charcoal-200: #D0D9EB;
  --charcoal-300: #ACBCDC;
  --charcoal-400: #819ACA;
  --charcoal-500: #5D7DBB;
  --charcoal-600: #42619E;
  --charcoal-700: #354D7E;
  --charcoal-800: #26375A;
  --charcoal-900: #18233A;
  --charcoal-950: #0F1624;
}
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