Charcoal

#171E3B

Blue

Color Codes

All color formats for development

HEX
#171E3B
RGB
rgb(23, 30, 59)
HSL
hsl(228, 44%, 16%)
OKLCH
oklch(0.245 0.056 271.5)
CMYK
cmyk(61%, 49%, 0%, 77%)

Accessibility

WCAG contrast compliance

On White Background

16.34:1

AA AAA

On Black Background

1.29:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F5
100
#E5E8
200
#CFD5
300
#ABB5
400
#7E8E
500
#5A6E
600
#3F53
700
#3242
800
#242F
900
#171E
950
#0E13

Shades

Darker variations

1#151B35
2#12182F
3#101529
4#0E1223
5#0B0F1D
6#090C18
7#070912
8#05060C
9#020306

Tints

Lighter variations

1#232E5A
2#2F3E78
3#3B4D97
4#475DB6
5#6578C3
6#8493CF
7#A2AEDB
8#C1C9E7
9#E0E4F3

Tones

Muted variations

1#191F39
2#1A2037
3#1C2135
4#1E2234
5#202332
6#222430
7#23262E
8#25272C
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
CFD5
#CFD5EC
Secondary backgroundsInput backgroundsDividers
300
ABB5
#ABB5DE
BordersInactive statesPlaceholder text
400
7E8E
#7E8ECD
Disabled statesSecondary iconsMuted text
500
5A6E
#5A6EBF
Primary brand colorCTAsActive elementsLinks
600
3F53
#3F53A2
Hover statesFocus ringsPrimary buttons hover
700
3242
#324281
Active/pressed statesDark mode accentsSecondary text
800
242F
#242F5C
Text on light backgroundsHeadingsStrong borders
900
171E
#171E3B
Primary textHigh emphasis contentDark headings
950
0E13
#0E1325
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F5FB;
  --charcoal-100: #E5E8F5;
  --charcoal-200: #CFD5EC;
  --charcoal-300: #ABB5DE;
  --charcoal-400: #7E8ECD;
  --charcoal-500: #5A6EBF;
  --charcoal-600: #3F53A2;
  --charcoal-700: #324281;
  --charcoal-800: #242F5C;
  --charcoal-900: #171E3B;
  --charcoal-950: #0E1325;
}
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