Charcoal

#284457

Blue

Color Codes

All color formats for development

HEX
#284457
RGB
rgb(40, 68, 87)
HSL
hsl(204, 37%, 25%)
OKLCH
oklch(0.373 0.047 239.4)
CMYK
cmyk(54%, 22%, 0%, 66%)

Accessibility

WCAG contrast compliance

On White Background

10.22:1

AA AAA

On Black Background

2.05:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F8
100
#E7EE
200
#D2E0
300
#AFC9
400
#85AC
500
#6295
600
#4779
700
#3860
800
#2844
900
#1A2C
950
#101B

Shades

Darker variations

1#243E4F
2#203746
3#1C303D
4#182934
5#14222C
6#101B23
7#0C151A
8#080E11
9#040709

Tints

Lighter variations

1#345972
2#406E8C
3#4C82A6
4#6295B7
5#7CA6C3
6#96B8CF
7#B0CADB
8#CBDCE7
9#E5EDF3

Tones

Muted variations

1#2B4455
2#2D4453
3#2F4350
4#32434E
5#34424C
6#364249
7#394147
8#3B4144
9#3D4042

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F5F8
#F5F8FA
BackgroundsSubtle highlightsCard backgrounds
100
E7EE
#E7EEF4
Light backgroundsTable row hoverSkeleton loading
200
D2E0
#D2E0EA
Secondary backgroundsInput backgroundsDividers
300
AFC9
#AFC9DA
BordersInactive statesPlaceholder text
400
85AC
#85ACC7
Disabled statesSecondary iconsMuted text
500
6295
#6295B7
Primary brand colorCTAsActive elementsLinks
600
4779
#47799A
Hover statesFocus ringsPrimary buttons hover
700
3860
#38607A
Active/pressed statesDark mode accentsSecondary text
800
2844
#284457
Text on light backgroundsHeadingsStrong borders
900
1A2C
#1A2C38
Primary textHigh emphasis contentDark headings
950
101B
#101B23
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F5F8FA;
  --charcoal-100: #E7EEF4;
  --charcoal-200: #D2E0EA;
  --charcoal-300: #AFC9DA;
  --charcoal-400: #85ACC7;
  --charcoal-500: #6295B7;
  --charcoal-600: #47799A;
  --charcoal-700: #38607A;
  --charcoal-800: #284457;
  --charcoal-900: #1A2C38;
  --charcoal-950: #101B23;
}
Generate More ShadesCreate PaletteConvert Color