Charcoal

#183139

Blue

Color Codes

All color formats for development

HEX
#183139
RGB
rgb(24, 49, 57)
HSL
hsl(195, 41%, 16%)
OKLCH
oklch(0.297 0.034 220.8)
CMYK
cmyk(58%, 14%, 0%, 78%)

Accessibility

WCAG contrast compliance

On White Background

13.66:1

AA AAA

On Black Background

1.54:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F9
100
#E6F1
200
#D0E5
300
#ACD0
400
#81B8
500
#5DA4
600
#4287
700
#356C
800
#264D
900
#1831
950
#0F1F

Shades

Darker variations

1#162C34
2#13272E
3#112228
4#0E1D23
5#0C191D
6#0A1417
7#070F11
8#050A0C
9#020506

Tints

Lighter variations

1#254B58
2#316576
3#3E7F94
4#4B98B2
5#68AAC0
6#86BBCC
7#A4CCD9
8#C3DDE6
9#E1EEF2

Tones

Muted variations

1#1A3038
2#1B2F36
3#1D2F35
4#1F2E33
5#202D31
6#222C2F
7#242B2E
8#252A2C
9#272A2A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F9
#F4F9FA
BackgroundsSubtle highlightsCard backgrounds
100
E6F1
#E6F1F4
Light backgroundsTable row hoverSkeleton loading
200
D0E5
#D0E5EB
Secondary backgroundsInput backgroundsDividers
300
ACD0
#ACD0DC
BordersInactive statesPlaceholder text
400
81B8
#81B8CA
Disabled statesSecondary iconsMuted text
500
5DA4
#5DA4BB
Primary brand colorCTAsActive elementsLinks
600
4287
#42879E
Hover statesFocus ringsPrimary buttons hover
700
356C
#356C7E
Active/pressed statesDark mode accentsSecondary text
800
264D
#264D5A
Text on light backgroundsHeadingsStrong borders
900
1831
#18313A
Primary textHigh emphasis contentDark headings
950
0F1F
#0F1F24
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F9FA;
  --charcoal-100: #E6F1F4;
  --charcoal-200: #D0E5EB;
  --charcoal-300: #ACD0DC;
  --charcoal-400: #81B8CA;
  --charcoal-500: #5DA4BB;
  --charcoal-600: #42879E;
  --charcoal-700: #356C7E;
  --charcoal-800: #264D5A;
  --charcoal-900: #18313A;
  --charcoal-950: #0F1F24;
}
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