Charcoal

#283557

Blue

Color Codes

All color formats for development

HEX
#283557
RGB
rgb(40, 53, 87)
HSL
hsl(223, 37%, 25%)
OKLCH
oklch(0.335 0.063 267.1)
CMYK
cmyk(54%, 39%, 0%, 66%)

Accessibility

WCAG contrast compliance

On White Background

12.09:1

AA AAA

On Black Background

1.74:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F6
100
#E7EA
200
#D2D9
300
#AFBB
400
#8597
500
#627A
600
#475E
700
#384B
800
#2836
900
#1A22
950
#1015

Shades

Darker variations

1#24304F
2#202B46
3#1C253D
4#182034
5#141B2C
6#101523
7#0C101A
8#080B11
9#040509

Tints

Lighter variations

1#344672
2#40568C
3#4C66A6
4#627AB7
5#7C90C3
6#96A6CF
7#B0BCDB
8#CBD3E7
9#E5E9F3

Tones

Muted variations

1#2B3755
2#2D3853
3#2F3950
4#323A4E
5#343B4C
6#363C49
7#393D47
8#3B3E44
9#3D3F42

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F5F6
#F5F6FA
BackgroundsSubtle highlightsCard backgrounds
100
E7EA
#E7EAF4
Light backgroundsTable row hoverSkeleton loading
200
D2D9
#D2D9EA
Secondary backgroundsInput backgroundsDividers
300
AFBB
#AFBBDA
BordersInactive statesPlaceholder text
400
8597
#8597C7
Disabled statesSecondary iconsMuted text
500
627A
#627AB7
Primary brand colorCTAsActive elementsLinks
600
475E
#475E9A
Hover statesFocus ringsPrimary buttons hover
700
384B
#384B7A
Active/pressed statesDark mode accentsSecondary text
800
2836
#283657
Text on light backgroundsHeadingsStrong borders
900
1A22
#1A2238
Primary textHigh emphasis contentDark headings
950
1015
#101523
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F5F6FA;
  --charcoal-100: #E7EAF4;
  --charcoal-200: #D2D9EA;
  --charcoal-300: #AFBBDA;
  --charcoal-400: #8597C7;
  --charcoal-500: #627AB7;
  --charcoal-600: #475E9A;
  --charcoal-700: #384B7A;
  --charcoal-800: #283657;
  --charcoal-900: #1A2238;
  --charcoal-950: #101523;
}
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