Charcoal

#1B3564

Blue

Color Codes

All color formats for development

HEX
#1B3564
RGB
rgb(27, 53, 100)
HSL
hsl(219, 57%, 25%)
OKLCH
oklch(0.336 0.089 261.2)
CMYK
cmyk(73%, 47%, 0%, 61%)

Accessibility

WCAG contrast compliance

On White Background

12.07:1

AA AAA

On Black Background

1.74:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F6
100
#E3EA
200
#CBD8
300
#A3BA
400
#7396
500
#4B79
600
#305D
700
#264A
800
#1B35
900
#1222
950
#0B15

Shades

Darker variations

1#19305A
2#162A50
3#132546
4#10203C
5#0E1A32
6#0B1528
7#08101E
8#050B14
9#03050A

Tints

Lighter variations

1#244582
2#2C55A0
3#3464BE
4#4B79CE
5#698FD6
6#87A5DE
7#A5BCE6
8#C3D2EF
9#E1E9F7

Tones

Muted variations

1#1F3660
2#23375D
3#263859
4#2A3956
5#2E3A52
6#313B4E
7#353C4B
8#383E47
9#3C3F43

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F6
#F3F6FC
BackgroundsSubtle highlightsCard backgrounds
100
E3EA
#E3EAF7
Light backgroundsTable row hoverSkeleton loading
200
CBD8
#CBD8F1
Secondary backgroundsInput backgroundsDividers
300
A3BA
#A3BAE6
BordersInactive statesPlaceholder text
400
7396
#7396D9
Disabled statesSecondary iconsMuted text
500
4B79
#4B79CE
Primary brand colorCTAsActive elementsLinks
600
305D
#305DB0
Hover statesFocus ringsPrimary buttons hover
700
264A
#264A8C
Active/pressed statesDark mode accentsSecondary text
800
1B35
#1B3564
Text on light backgroundsHeadingsStrong borders
900
1222
#122240
Primary textHigh emphasis contentDark headings
950
0B15
#0B1528
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F3F6FC;
  --charcoal-100: #E3EAF7;
  --charcoal-200: #CBD8F1;
  --charcoal-300: #A3BAE6;
  --charcoal-400: #7396D9;
  --charcoal-500: #4B79CE;
  --charcoal-600: #305DB0;
  --charcoal-700: #264A8C;
  --charcoal-800: #1B3564;
  --charcoal-900: #122240;
  --charcoal-950: #0B1528;
}
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