Charcoal

#284657

Blue

Color Codes

All color formats for development

HEX
#284657
RGB
rgb(40, 70, 87)
HSL
hsl(202, 37%, 25%)
OKLCH
oklch(0.378 0.046 234.7)
CMYK
cmyk(54%, 20%, 0%, 66%)

Accessibility

WCAG contrast compliance

On White Background

9.98:1

AA AAA

On Black Background

2.10:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F8
100
#E7EF
200
#D2E1
300
#AFCA
400
#85AF
500
#6298
600
#477B
700
#3862
800
#2846
900
#1A2D
950
#101C

Shades

Darker variations

1#243F4F
2#203846
3#1C313D
4#182A34
5#14232C
6#101C23
7#0C151A
8#080E11
9#040709

Tints

Lighter variations

1#345B72
2#40708C
3#4C85A6
4#6298B7
5#7CA9C3
6#96BACF
7#B0CBDB
8#CBDDE7
9#E5EEF3

Tones

Muted variations

1#2B4555
2#2D4553
3#2F4450
4#32444E
5#34434C
6#364249
7#394247
8#3B4144
9#3D4042

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F5F8
#F5F8FA
BackgroundsSubtle highlightsCard backgrounds
100
E7EF
#E7EFF4
Light backgroundsTable row hoverSkeleton loading
200
D2E1
#D2E1EA
Secondary backgroundsInput backgroundsDividers
300
AFCA
#AFCADA
BordersInactive statesPlaceholder text
400
85AF
#85AFC7
Disabled statesSecondary iconsMuted text
500
6298
#6298B7
Primary brand colorCTAsActive elementsLinks
600
477B
#477B9A
Hover statesFocus ringsPrimary buttons hover
700
3862
#38627A
Active/pressed statesDark mode accentsSecondary text
800
2846
#284657
Text on light backgroundsHeadingsStrong borders
900
1A2D
#1A2D38
Primary textHigh emphasis contentDark headings
950
101C
#101C23
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F5F8FA;
  --charcoal-100: #E7EFF4;
  --charcoal-200: #D2E1EA;
  --charcoal-300: #AFCADA;
  --charcoal-400: #85AFC7;
  --charcoal-500: #6298B7;
  --charcoal-600: #477B9A;
  --charcoal-700: #38627A;
  --charcoal-800: #284657;
  --charcoal-900: #1A2D38;
  --charcoal-950: #101C23;
}
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