Charcoal

#171D3A

Blue

Color Codes

All color formats for development

HEX
#171D3A
RGB
rgb(23, 29, 58)
HSL
hsl(230, 43%, 16%)
OKLCH
oklch(0.242 0.056 272.8)
CMYK
cmyk(60%, 50%, 0%, 77%)

Accessibility

WCAG contrast compliance

On White Background

16.49:1

AA AAA

On Black Background

1.27:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F5
100
#E5E8
200
#D0D4
300
#ABB4
400
#7F8C
500
#5B6B
600
#4050
700
#3340
800
#242D
900
#171D
950
#0F12

Shades

Darker variations

1#151A35
2#13172F
3#101429
4#0E1123
5#0C0F1D
6#090C17
7#070912
8#05060C
9#020306

Tints

Lighter variations

1#232C59
2#303C78
3#3C4B96
4#485AB5
5#6675C2
6#8491CE
7#A3ACDA
8#C2C8E7
9#E0E3F3

Tones

Muted variations

1#191E39
2#1B1F37
3#1D2135
4#1E2233
5#202332
6#222430
7#24252E
8#25262C
9#27282B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F5
#F4F5FB
BackgroundsSubtle highlightsCard backgrounds
100
E5E8
#E5E8F5
Light backgroundsTable row hoverSkeleton loading
200
D0D4
#D0D4EC
Secondary backgroundsInput backgroundsDividers
300
ABB4
#ABB4DE
BordersInactive statesPlaceholder text
400
7F8C
#7F8CCC
Disabled statesSecondary iconsMuted text
500
5B6B
#5B6BBE
Primary brand colorCTAsActive elementsLinks
600
4050
#4050A0
Hover statesFocus ringsPrimary buttons hover
700
3340
#334080
Active/pressed statesDark mode accentsSecondary text
800
242D
#242D5B
Text on light backgroundsHeadingsStrong borders
900
171D
#171D3A
Primary textHigh emphasis contentDark headings
950
0F12
#0F1224
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F5FB;
  --charcoal-100: #E5E8F5;
  --charcoal-200: #D0D4EC;
  --charcoal-300: #ABB4DE;
  --charcoal-400: #7F8CCC;
  --charcoal-500: #5B6BBE;
  --charcoal-600: #4050A0;
  --charcoal-700: #334080;
  --charcoal-800: #242D5B;
  --charcoal-900: #171D3A;
  --charcoal-950: #0F1224;
}
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