Charcoal

#243D5B

Blue

Color Codes

All color formats for development

HEX
#243D5B
RGB
rgb(36, 61, 91)
HSL
hsl(213, 43%, 25%)
OKLCH
oklch(0.355 0.061 253.8)
CMYK
cmyk(60%, 33%, 0%, 64%)

Accessibility

WCAG contrast compliance

On White Background

11.09:1

AA AAA

On Black Background

1.89:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F7
100
#E5EC
200
#D0DC
300
#ABC2
400
#7FA2
500
#5B87
600
#406B
700
#3355
800
#243D
900
#1727
950
#0F18

Shades

Darker variations

1#213752
2#1D3149
3#192B40
4#162537
5#121F2E
6#0F1824
7#0B121B
8#070C12
9#040609

Tints

Lighter variations

1#2F4F77
2#3A6292
3#4574AD
4#5B87BE
5#769BC8
6#92AFD3
7#ADC3DE
8#C8D7E9
9#E4EBF4

Tones

Muted variations

1#273D58
2#2A3E56
3#2D3E53
4#2F3E50
5#323E4D
6#353F4B
7#383F48
8#3A3F45
9#3D3F42

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F7
#F4F7FB
BackgroundsSubtle highlightsCard backgrounds
100
E5EC
#E5ECF5
Light backgroundsTable row hoverSkeleton loading
200
D0DC
#D0DCEC
Secondary backgroundsInput backgroundsDividers
300
ABC2
#ABC2DE
BordersInactive statesPlaceholder text
400
7FA2
#7FA2CC
Disabled statesSecondary iconsMuted text
500
5B87
#5B87BE
Primary brand colorCTAsActive elementsLinks
600
406B
#406BA0
Hover statesFocus ringsPrimary buttons hover
700
3355
#335580
Active/pressed statesDark mode accentsSecondary text
800
243D
#243D5B
Text on light backgroundsHeadingsStrong borders
900
1727
#17273A
Primary textHigh emphasis contentDark headings
950
0F18
#0F1824
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F7FB;
  --charcoal-100: #E5ECF5;
  --charcoal-200: #D0DCEC;
  --charcoal-300: #ABC2DE;
  --charcoal-400: #7FA2CC;
  --charcoal-500: #5B87BE;
  --charcoal-600: #406BA0;
  --charcoal-700: #335580;
  --charcoal-800: #243D5B;
  --charcoal-900: #17273A;
  --charcoal-950: #0F1824;
}
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