Charcoal

#12313F

Blue

Color Codes

All color formats for development

HEX
#12313F
RGB
rgb(18, 49, 63)
HSL
hsl(199, 56%, 16%)
OKLCH
oklch(0.297 0.044 230.3)
CMYK
cmyk(71%, 22%, 0%, 75%)

Accessibility

WCAG contrast compliance

On White Background

13.66:1

AA AAA

On Black Background

1.54:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F9
100
#E3F1
200
#CBE5
300
#A4D0
400
#74B8
500
#4CA4
600
#3187
700
#276C
800
#1C4D
900
#1231
950
#0B1F

Shades

Darker variations

1#102C39
2#0E2733
3#0D222D
4#0B1E26
5#091920
6#071419
7#050F13
8#040A0D
9#020506

Tints

Lighter variations

1#1B4B61
2#256582
3#2E7FA4
4#3898C5
5#58AAD0
6#79BBD9
7#9BCCE3
8#BCDDEC
9#DEEEF6

Tones

Muted variations

1#14303D
2#17303B
3#192F39
4#1B2E37
5#1D2D34
6#202C32
7#222B30
8#242A2D
9#272A2B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F9
#F3F9FC
BackgroundsSubtle highlightsCard backgrounds
100
E3F1
#E3F1F7
Light backgroundsTable row hoverSkeleton loading
200
CBE5
#CBE5F0
Secondary backgroundsInput backgroundsDividers
300
A4D0
#A4D0E5
BordersInactive statesPlaceholder text
400
74B8
#74B8D8
Disabled statesSecondary iconsMuted text
500
4CA4
#4CA4CD
Primary brand colorCTAsActive elementsLinks
600
3187
#3187AF
Hover statesFocus ringsPrimary buttons hover
700
276C
#276C8B
Active/pressed statesDark mode accentsSecondary text
800
1C4D
#1C4D63
Text on light backgroundsHeadingsStrong borders
900
1231
#123140
Primary textHigh emphasis contentDark headings
950
0B1F
#0B1F28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F3F9FC;
  --charcoal-100: #E3F1F7;
  --charcoal-200: #CBE5F0;
  --charcoal-300: #A4D0E5;
  --charcoal-400: #74B8D8;
  --charcoal-500: #4CA4CD;
  --charcoal-600: #3187AF;
  --charcoal-700: #276C8B;
  --charcoal-800: #1C4D63;
  --charcoal-900: #123140;
  --charcoal-950: #0B1F28;
}
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