Charcoal

#171F3A

Blue

Color Codes

All color formats for development

HEX
#171F3A
RGB
rgb(23, 31, 58)
HSL
hsl(226, 43%, 16%)
OKLCH
oklch(0.247 0.053 269.8)
CMYK
cmyk(60%, 47%, 0%, 77%)

Accessibility

WCAG contrast compliance

On White Background

16.23:1

AA AAA

On Black Background

1.29:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F6
100
#E5E9
200
#D0D6
300
#ABB7
400
#7F91
500
#5B72
600
#4056
700
#3345
800
#2431
900
#171F
950
#0F14

Shades

Darker variations

1#151C35
2#13192F
3#101629
4#0E1323
5#0C101D
6#090D17
7#070912
8#05060C
9#020306

Tints

Lighter variations

1#233059
2#304078
3#3C5196
4#4861B5
5#667BC2
6#8496CE
7#A3B0DA
8#C2CAE7
9#E0E5F3

Tones

Muted variations

1#192039
2#1B2137
3#1D2235
4#1E2333
5#202432
6#222530
7#24262E
8#25272C
9#27282B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F6
#F4F6FB
BackgroundsSubtle highlightsCard backgrounds
100
E5E9
#E5E9F5
Light backgroundsTable row hoverSkeleton loading
200
D0D6
#D0D6EC
Secondary backgroundsInput backgroundsDividers
300
ABB7
#ABB7DE
BordersInactive statesPlaceholder text
400
7F91
#7F91CC
Disabled statesSecondary iconsMuted text
500
5B72
#5B72BE
Primary brand colorCTAsActive elementsLinks
600
4056
#4056A0
Hover statesFocus ringsPrimary buttons hover
700
3345
#334580
Active/pressed statesDark mode accentsSecondary text
800
2431
#24315B
Text on light backgroundsHeadingsStrong borders
900
171F
#171F3A
Primary textHigh emphasis contentDark headings
950
0F14
#0F1424
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F6FB;
  --charcoal-100: #E5E9F5;
  --charcoal-200: #D0D6EC;
  --charcoal-300: #ABB7DE;
  --charcoal-400: #7F91CC;
  --charcoal-500: #5B72BE;
  --charcoal-600: #4056A0;
  --charcoal-700: #334580;
  --charcoal-800: #24315B;
  --charcoal-900: #171F3A;
  --charcoal-950: #0F1424;
}
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