Charcoal

#233A5C

Blue

Color Codes

All color formats for development

HEX
#233A5C
RGB
rgb(35, 58, 92)
HSL
hsl(216, 45%, 25%)
OKLCH
oklch(0.347 0.067 258)
CMYK
cmyk(62%, 37%, 0%, 64%)

Accessibility

WCAG contrast compliance

On White Background

11.47:1

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
#E5EC
200
#CFDB
300
#AABF
400
#7E9E
500
#5982
600
#3E66
700
#3151
800
#233A
900
#1625
950
#0E17

Shades

Darker variations

1#203453
2#1C2E4A
3#192941
4#152337
5#121D2E
6#0E1725
7#0B111C
8#070C12
9#040609

Tints

Lighter variations

1#2E4B78
2#385D94
3#436EB0
4#5982C0
5#7497CA
6#90ACD5
7#ACC0DF
8#C8D5EA
9#E3EAF4

Tones

Muted variations

1#263B5A
2#293B57
3#2C3C54
4#2F3C51
5#313D4E
6#343D4B
7#373E48
8#3A3F45
9#3D3F43

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
CFDB
#CFDBED
Secondary backgroundsInput backgroundsDividers
300
AABF
#AABFDF
BordersInactive statesPlaceholder text
400
7E9E
#7E9ECE
Disabled statesSecondary iconsMuted text
500
5982
#5982C0
Primary brand colorCTAsActive elementsLinks
600
3E66
#3E66A3
Hover statesFocus ringsPrimary buttons hover
700
3151
#315181
Active/pressed statesDark mode accentsSecondary text
800
233A
#233A5C
Text on light backgroundsHeadingsStrong borders
900
1625
#16253B
Primary textHigh emphasis contentDark headings
950
0E17
#0E1725
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F7FB;
  --charcoal-100: #E5ECF5;
  --charcoal-200: #CFDBED;
  --charcoal-300: #AABFDF;
  --charcoal-400: #7E9ECE;
  --charcoal-500: #5982C0;
  --charcoal-600: #3E66A3;
  --charcoal-700: #315181;
  --charcoal-800: #233A5C;
  --charcoal-900: #16253B;
  --charcoal-950: #0E1725;
}
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