Charcoal

#15283C

Blue

Color Codes

All color formats for development

HEX
#15283C
RGB
rgb(21, 40, 60)
HSL
hsl(211, 48%, 16%)
OKLCH
oklch(0.271 0.045 250.9)
CMYK
cmyk(65%, 33%, 0%, 76%)

Accessibility

WCAG contrast compliance

On White Background

14.99:1

AA AAA

On Black Background

1.40:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F7
100
#E5ED
200
#CEDD
300
#A8C3
400
#7BA4
500
#558A
600
#3A6E
700
#2E58
800
#213F
900
#1528
950
#0D19

Shades

Darker variations

1#132436
2#112030
3#0F1C2A
4#0D1824
5#0B141E
6#081018
7#060C12
8#04080C
9#020406

Tints

Lighter variations

1#203D5C
2#2B527C
3#37679B
4#427CBB
5#6092C7
6#80A8D2
7#A0BEDE
8#C0D3E9
9#DFE9F4

Tones

Muted variations

1#17283A
2#192838
3#1B2837
4#1D2835
5#1F2833
6#212931
7#23292F
8#25292D
9#27292B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F7
#F4F7FB
BackgroundsSubtle highlightsCard backgrounds
100
E5ED
#E5EDF6
Light backgroundsTable row hoverSkeleton loading
200
CEDD
#CEDDEE
Secondary backgroundsInput backgroundsDividers
300
A8C3
#A8C3E1
BordersInactive statesPlaceholder text
400
7BA4
#7BA4D1
Disabled statesSecondary iconsMuted text
500
558A
#558AC3
Primary brand colorCTAsActive elementsLinks
600
3A6E
#3A6EA6
Hover statesFocus ringsPrimary buttons hover
700
2E58
#2E5884
Active/pressed statesDark mode accentsSecondary text
800
213F
#213F5E
Text on light backgroundsHeadingsStrong borders
900
1528
#15283C
Primary textHigh emphasis contentDark headings
950
0D19
#0D1926
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F7FB;
  --charcoal-100: #E5EDF6;
  --charcoal-200: #CEDDEE;
  --charcoal-300: #A8C3E1;
  --charcoal-400: #7BA4D1;
  --charcoal-500: #558AC3;
  --charcoal-600: #3A6EA6;
  --charcoal-700: #2E5884;
  --charcoal-800: #213F5E;
  --charcoal-900: #15283C;
  --charcoal-950: #0D1926;
}
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