Charcoal

#15233C

Blue

Color Codes

All color formats for development

HEX
#15233C
RGB
rgb(21, 35, 60)
HSL
hsl(218, 48%, 16%)
OKLCH
oklch(0.257 0.051 261.3)
CMYK
cmyk(65%, 42%, 0%, 76%)

Accessibility

WCAG contrast compliance

On White Background

15.70:1

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
#E5EB
200
#CEDA
300
#A8BD
400
#7B9A
500
#557E
600
#3A62
700
#2E4E
800
#2138
900
#1524
950
#0D16

Shades

Darker variations

1#132036
2#111C30
3#0F192A
4#0D1524
5#0B121E
6#080E18
7#060B12
8#04070C
9#020406

Tints

Lighter variations

1#20365C
2#2B497C
3#375C9B
4#426EBB
5#6086C7
6#809ED2
7#A0B7DE
8#C0CFE9
9#DFE7F4

Tones

Muted variations

1#17243A
2#192538
3#1B2537
4#1D2635
5#1F2633
6#212731
7#23272F
8#25282D
9#27282B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F6
#F4F6FB
BackgroundsSubtle highlightsCard backgrounds
100
E5EB
#E5EBF6
Light backgroundsTable row hoverSkeleton loading
200
CEDA
#CEDAEE
Secondary backgroundsInput backgroundsDividers
300
A8BD
#A8BDE1
BordersInactive statesPlaceholder text
400
7B9A
#7B9AD1
Disabled statesSecondary iconsMuted text
500
557E
#557EC3
Primary brand colorCTAsActive elementsLinks
600
3A62
#3A62A6
Hover statesFocus ringsPrimary buttons hover
700
2E4E
#2E4E84
Active/pressed statesDark mode accentsSecondary text
800
2138
#21385E
Text on light backgroundsHeadingsStrong borders
900
1524
#15243C
Primary textHigh emphasis contentDark headings
950
0D16
#0D1626
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F6FB;
  --charcoal-100: #E5EBF6;
  --charcoal-200: #CEDAEE;
  --charcoal-300: #A8BDE1;
  --charcoal-400: #7B9AD1;
  --charcoal-500: #557EC3;
  --charcoal-600: #3A62A6;
  --charcoal-700: #2E4E84;
  --charcoal-800: #21385E;
  --charcoal-900: #15243C;
  --charcoal-950: #0D1626;
}
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