Charcoal

#15183D

Blue

Color Codes

All color formats for development

HEX
#15183D
RGB
rgb(21, 24, 61)
HSL
hsl(236, 49%, 16%)
OKLCH
oklch(0.23 0.07 275.9)
CMYK
cmyk(66%, 61%, 0%, 76%)

Accessibility

WCAG contrast compliance

On White Background

17.07:1

AA AAA

On Black Background

1.23:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F4
100
#E4E6
200
#CED0
300
#A8AB
400
#7A80
500
#545C
600
#3941
700
#2E33
800
#2125
900
#1517
950
#0D0F

Shades

Darker variations

1#131537
2#111331
3#0F102B
4#0C0E24
5#0A0C1E
6#080918
7#060712
8#04050C
9#020206

Tints

Lighter variations

1#20245D
2#2B307D
3#363C9D
4#4149BC
5#5F66C8
6#7F85D3
7#9FA3DE
8#BFC2E9
9#DFE0F4

Tones

Muted variations

1#17193B
2#191B39
3#1B1D37
4#1D1E35
5#1F2033
6#212231
7#23242F
8#25252D
9#27272B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F4
#F4F4FB
BackgroundsSubtle highlightsCard backgrounds
100
E4E6
#E4E6F6
Light backgroundsTable row hoverSkeleton loading
200
CED0
#CED0EE
Secondary backgroundsInput backgroundsDividers
300
A8AB
#A8ABE1
BordersInactive statesPlaceholder text
400
7A80
#7A80D1
Disabled statesSecondary iconsMuted text
500
545C
#545CC4
Primary brand colorCTAsActive elementsLinks
600
3941
#3941A7
Hover statesFocus ringsPrimary buttons hover
700
2E33
#2E3385
Active/pressed statesDark mode accentsSecondary text
800
2125
#21255F
Text on light backgroundsHeadingsStrong borders
900
1517
#15173D
Primary textHigh emphasis contentDark headings
950
0D0F
#0D0F26
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F4FB;
  --charcoal-100: #E4E6F6;
  --charcoal-200: #CED0EE;
  --charcoal-300: #A8ABE1;
  --charcoal-400: #7A80D1;
  --charcoal-500: #545CC4;
  --charcoal-600: #3941A7;
  --charcoal-700: #2E3385;
  --charcoal-800: #21255F;
  --charcoal-900: #15173D;
  --charcoal-950: #0D0F26;
}
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