Charcoal

#313A81

Blue

Color Codes

All color formats for development

HEX
#313A81
RGB
rgb(49, 58, 129)
HSL
hsl(233, 45%, 35%)
OKLCH
oklch(0.382 0.119 273.9)
CMYK
cmyk(62%, 55%, 0%, 49%)

Accessibility

WCAG contrast compliance

On White Background

10.23:1

AA AAA

On Black Background

2.05:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F5
100
#E5E7
200
#CFD2
300
#AAB0
400
#7E87
500
#5965
600
#3E49
700
#313A
800
#232A
900
#161B
950
#0E11

Shades

Darker variations

1#2C3574
2#272F68
3#22295B
4#1D234E
5#191D41
6#141734
7#0F1227
8#0A0C1A
9#05060D

Tints

Lighter variations

1#3A4599
2#4350B1
3#5763BF
4#6F79C8
5#8790D1
6#9FA6DB
7#B7BCE4
8#CFD2ED
9#E7E9F6

Tones

Muted variations

1#353E7D
2#394179
3#3D4475
4#414771
5#454A6D
6#494D69
7#4D5065
8#515361
9#55565D

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F5
#F4F5FB
BackgroundsSubtle highlightsCard backgrounds
100
E5E7
#E5E7F5
Light backgroundsTable row hoverSkeleton loading
200
CFD2
#CFD2ED
Secondary backgroundsInput backgroundsDividers
300
AAB0
#AAB0DF
BordersInactive statesPlaceholder text
400
7E87
#7E87CE
Disabled statesSecondary iconsMuted text
500
5965
#5965C0
Primary brand colorCTAsActive elementsLinks
600
3E49
#3E49A3
Hover statesFocus ringsPrimary buttons hover
700
313A
#313A81
Active/pressed statesDark mode accentsSecondary text
800
232A
#232A5C
Text on light backgroundsHeadingsStrong borders
900
161B
#161B3B
Primary textHigh emphasis contentDark headings
950
0E11
#0E1125
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F5FB;
  --charcoal-100: #E5E7F5;
  --charcoal-200: #CFD2ED;
  --charcoal-300: #AAB0DF;
  --charcoal-400: #7E87CE;
  --charcoal-500: #5965C0;
  --charcoal-600: #3E49A3;
  --charcoal-700: #313A81;
  --charcoal-800: #232A5C;
  --charcoal-900: #161B3B;
  --charcoal-950: #0E1125;
}
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