Charcoal

#171E3A

Blue

Color Codes

All color formats for development

HEX
#171E3A
RGB
rgb(23, 30, 58)
HSL
hsl(228, 43%, 16%)
OKLCH
oklch(0.244 0.054 271.3)
CMYK
cmyk(60%, 48%, 0%, 77%)

Accessibility

WCAG contrast compliance

On White Background

16.36:1

AA AAA

On Black Background

1.28:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F5
100
#E5E9
200
#D0D5
300
#ABB5
400
#7F8F
500
#5B6F
600
#4053
700
#3342
800
#242F
900
#171E
950
#0F13

Shades

Darker variations

1#151B35
2#13182F
3#101529
4#0E1223
5#0C0F1D
6#090C17
7#070912
8#05060C
9#020306

Tints

Lighter variations

1#232E59
2#303E78
3#3C4E96
4#485EB5
5#6678C2
6#8493CE
7#A3AEDA
8#C2C9E7
9#E0E4F3

Tones

Muted variations

1#191F39
2#1B2037
3#1D2135
4#1E2233
5#202432
6#222530
7#24262E
8#25272C
9#27282B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F5
#F4F5FB
BackgroundsSubtle highlightsCard backgrounds
100
E5E9
#E5E9F5
Light backgroundsTable row hoverSkeleton loading
200
D0D5
#D0D5EC
Secondary backgroundsInput backgroundsDividers
300
ABB5
#ABB5DE
BordersInactive statesPlaceholder text
400
7F8F
#7F8FCC
Disabled statesSecondary iconsMuted text
500
5B6F
#5B6FBE
Primary brand colorCTAsActive elementsLinks
600
4053
#4053A0
Hover statesFocus ringsPrimary buttons hover
700
3342
#334280
Active/pressed statesDark mode accentsSecondary text
800
242F
#242F5B
Text on light backgroundsHeadingsStrong borders
900
171E
#171E3A
Primary textHigh emphasis contentDark headings
950
0F13
#0F1324
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F5FB;
  --charcoal-100: #E5E9F5;
  --charcoal-200: #D0D5EC;
  --charcoal-300: #ABB5DE;
  --charcoal-400: #7F8FCC;
  --charcoal-500: #5B6FBE;
  --charcoal-600: #4053A0;
  --charcoal-700: #334280;
  --charcoal-800: #242F5B;
  --charcoal-900: #171E3A;
  --charcoal-950: #0F1324;
}
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