Charcoal

#253A5B

Blue

Color Codes

All color formats for development

HEX
#253A5B
RGB
rgb(37, 58, 91)
HSL
hsl(217, 42%, 25%)
OKLCH
oklch(0.348 0.064 259.1)
CMYK
cmyk(59%, 36%, 0%, 64%)

Accessibility

WCAG contrast compliance

On White Background

11.44:1

AA AAA

On Black Background

1.83:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F7
100
#E6EB
200
#D0DB
300
#ACBF
400
#809D
500
#5C81
600
#4165
700
#3451
800
#253A
900
#1825
950
#0F17

Shades

Darker variations

1#213451
2#1E2E48
3#1A283F
4#162336
5#121D2D
6#0F1724
7#0B111B
8#070C12
9#040609

Tints

Lighter variations

1#304B76
2#3B5C91
3#466DAC
4#5C81BC
5#7796C8
6#92ABD3
7#AEC0DE
8#C9D5E9
9#E4EAF4

Tones

Muted variations

1#283A58
2#2A3B55
3#2D3B52
4#303C50
5#323D4D
6#353D4A
7#383E48
8#3A3F45
9#3D3F42

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F7
#F4F7FB
BackgroundsSubtle highlightsCard backgrounds
100
E6EB
#E6EBF5
Light backgroundsTable row hoverSkeleton loading
200
D0DB
#D0DBEC
Secondary backgroundsInput backgroundsDividers
300
ACBF
#ACBFDD
BordersInactive statesPlaceholder text
400
809D
#809DCB
Disabled statesSecondary iconsMuted text
500
5C81
#5C81BC
Primary brand colorCTAsActive elementsLinks
600
4165
#41659F
Hover statesFocus ringsPrimary buttons hover
700
3451
#34517F
Active/pressed statesDark mode accentsSecondary text
800
253A
#253A5B
Text on light backgroundsHeadingsStrong borders
900
1825
#18253A
Primary textHigh emphasis contentDark headings
950
0F17
#0F1724
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F7FB;
  --charcoal-100: #E6EBF5;
  --charcoal-200: #D0DBEC;
  --charcoal-300: #ACBFDD;
  --charcoal-400: #809DCB;
  --charcoal-500: #5C81BC;
  --charcoal-600: #41659F;
  --charcoal-700: #34517F;
  --charcoal-800: #253A5B;
  --charcoal-900: #18253A;
  --charcoal-950: #0F1724;
}
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