Charcoal

#151B3C

Blue

Color Codes

All color formats for development

HEX
#151B3C
RGB
rgb(21, 27, 60)
HSL
hsl(231, 48%, 16%)
OKLCH
oklch(0.237 0.063 272.9)
CMYK
cmyk(65%, 55%, 0%, 76%)

Accessibility

WCAG contrast compliance

On White Background

16.75:1

AA AAA

On Black Background

1.25:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F5
100
#E5E7
200
#CED3
300
#A8B1
400
#7B88
500
#5566
600
#3A4B
700
#2E3B
800
#212A
900
#151B
950
#0D11

Shades

Darker variations

1#131836
2#111630
3#0F132A
4#0D1024
5#0B0E1E
6#080B18
7#060812
8#04050C
9#020306

Tints

Lighter variations

1#20295C
2#2B387C
3#37469B
4#4254BB
5#6070C7
6#808DD2
7#A0A9DE
8#C0C6E9
9#DFE2F4

Tones

Muted variations

1#171C3A
2#191E38
3#1B1F37
4#1D2135
5#1F2233
6#212331
7#23252F
8#25262D
9#27272B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F5
#F4F5FB
BackgroundsSubtle highlightsCard backgrounds
100
E5E7
#E5E7F6
Light backgroundsTable row hoverSkeleton loading
200
CED3
#CED3EE
Secondary backgroundsInput backgroundsDividers
300
A8B1
#A8B1E1
BordersInactive statesPlaceholder text
400
7B88
#7B88D1
Disabled statesSecondary iconsMuted text
500
5566
#5566C3
Primary brand colorCTAsActive elementsLinks
600
3A4B
#3A4BA6
Hover statesFocus ringsPrimary buttons hover
700
2E3B
#2E3B84
Active/pressed statesDark mode accentsSecondary text
800
212A
#212A5E
Text on light backgroundsHeadingsStrong borders
900
151B
#151B3C
Primary textHigh emphasis contentDark headings
950
0D11
#0D1126
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F5FB;
  --charcoal-100: #E5E7F6;
  --charcoal-200: #CED3EE;
  --charcoal-300: #A8B1E1;
  --charcoal-400: #7B88D1;
  --charcoal-500: #5566C3;
  --charcoal-600: #3A4BA6;
  --charcoal-700: #2E3B84;
  --charcoal-800: #212A5E;
  --charcoal-900: #151B3C;
  --charcoal-950: #0D1126;
}
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