Charcoal

#284857

Blue

Color Codes

All color formats for development

HEX
#284857
RGB
rgb(40, 72, 87)
HSL
hsl(199, 37%, 25%)
OKLCH
oklch(0.384 0.046 229.8)
CMYK
cmyk(54%, 17%, 0%, 66%)

Accessibility

WCAG contrast compliance

On White Background

9.75:1

AA AAA

On Black Background

2.15:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F8
100
#E7F0
200
#D2E2
300
#AFCC
400
#85B2
500
#629C
600
#477F
700
#3865
800
#2848
900
#1A2E
950
#101D

Shades

Darker variations

1#24414F
2#203A46
3#1C333D
4#182B34
5#14242C
6#101D23
7#0C161A
8#080E11
9#040709

Tints

Lighter variations

1#345E72
2#40748C
3#4C8AA6
4#629CB7
5#7CACC3
6#96BDCF
7#B0CDDB
8#CBDEE7
9#E5EEF3

Tones

Muted variations

1#2B4855
2#2D4753
3#2F4650
4#32454E
5#34444C
6#364349
7#394247
8#3B4144
9#3D4142

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F5F8
#F5F8FA
BackgroundsSubtle highlightsCard backgrounds
100
E7F0
#E7F0F4
Light backgroundsTable row hoverSkeleton loading
200
D2E2
#D2E2EA
Secondary backgroundsInput backgroundsDividers
300
AFCC
#AFCCDA
BordersInactive statesPlaceholder text
400
85B2
#85B2C7
Disabled statesSecondary iconsMuted text
500
629C
#629CB7
Primary brand colorCTAsActive elementsLinks
600
477F
#477F9A
Hover statesFocus ringsPrimary buttons hover
700
3865
#38657A
Active/pressed statesDark mode accentsSecondary text
800
2848
#284857
Text on light backgroundsHeadingsStrong borders
900
1A2E
#1A2E38
Primary textHigh emphasis contentDark headings
950
101D
#101D23
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F5F8FA;
  --charcoal-100: #E7F0F4;
  --charcoal-200: #D2E2EA;
  --charcoal-300: #AFCCDA;
  --charcoal-400: #85B2C7;
  --charcoal-500: #629CB7;
  --charcoal-600: #477F9A;
  --charcoal-700: #38657A;
  --charcoal-800: #284857;
  --charcoal-900: #1A2E38;
  --charcoal-950: #101D23;
}
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