Cobalt

#143D9F

Blue

Color Codes

All color formats for development

HEX
#143D9F
RGB
rgb(20, 61, 159)
HSL
hsl(222, 78%, 35%)
OKLCH
oklch(0.401 0.165 263.5)
CMYK
cmyk(87%, 62%, 0%, 38%)

Accessibility

WCAG contrast compliance

On White Background

9.55:1

AA AAA

On Black Background

2.20:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F5
100
#DFE8
200
#C4D4
300
#97B2
400
#608A
500
#3368
600
#194D
700
#143D
800
#0E2C
900
#091C
950
#0612

Shades

Darker variations

1#12378F
2#10317F
3#0E2B6F
4#0C255F
5#0A1F4F
6#081940
7#061230
8#040C20
9#020610

Tints

Lighter variations

1#1749BC
2#1B54DA
3#3067E5
4#4E7DE9
5#6B92ED
6#89A8F0
7#A6BEF4
8#C4D4F8
9#E1E9FB

Tones

Muted variations

1#1B4098
2#224391
3#29468A
4#2F4983
5#364B7C
6#3D4E75
7#44516E
8#4B5467
9#525660

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F5
#F1F5FD
BackgroundsSubtle highlightsCard backgrounds
100
DFE8
#DFE8FB
Light backgroundsTable row hoverSkeleton loading
200
C4D4
#C4D4F8
Secondary backgroundsInput backgroundsDividers
300
97B2
#97B2F2
BordersInactive statesPlaceholder text
400
608A
#608AEB
Disabled statesSecondary iconsMuted text
500
3368
#3368E6
Primary brand colorCTAsActive elementsLinks
600
194D
#194DC8
Hover statesFocus ringsPrimary buttons hover
700
143D
#143D9F
Active/pressed statesDark mode accentsSecondary text
800
0E2C
#0E2C71
Text on light backgroundsHeadingsStrong borders
900
091C
#091C49
Primary textHigh emphasis contentDark headings
950
0612
#06122D
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F5FD;
  --cobalt-100: #DFE8FB;
  --cobalt-200: #C4D4F8;
  --cobalt-300: #97B2F2;
  --cobalt-400: #608AEB;
  --cobalt-500: #3368E6;
  --cobalt-600: #194DC8;
  --cobalt-700: #143D9F;
  --cobalt-800: #0E2C71;
  --cobalt-900: #091C49;
  --cobalt-950: #06122D;
}
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