Cobalt

#005180

Blue

Color Codes

All color formats for development

HEX
#005180
RGB
rgb(0, 81, 128)
HSL
hsl(202, 100%, 25%)
OKLCH
oklch(0.419 0.103 243.8)
CMYK
cmyk(100%, 37%, 0%, 50%)

Accessibility

WCAG contrast compliance

On White Background

8.44:1

AA AAA

On Black Background

2.49:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F9
100
#DBF2
200
#BDE7
300
#8AD4
400
#4DBE
500
#1AAB
600
#008E
700
#0071
800
#0051
900
#0034
950
#0020

Shades

Darker variations

1#004973
2#004166
3#003959
4#00304D
5#002840
6#002033
7#001826
8#00101A
9#00080D

Tints

Lighter variations

1#0069A6
2#0081CC
3#0099F2
4#1AABFF
5#40B9FF
6#66C7FF
7#8CD5FF
8#B3E3FF
9#D9F1FF

Tones

Muted variations

1#064F79
2#0D4D73
3#134C6C
4#194A66
5#204860
6#264759
7#2D4553
8#33434D
9#394146

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F9
#F0F9FF
BackgroundsSubtle highlightsCard backgrounds
100
DBF2
#DBF2FF
Light backgroundsTable row hoverSkeleton loading
200
BDE7
#BDE7FF
Secondary backgroundsInput backgroundsDividers
300
8AD4
#8AD4FF
BordersInactive statesPlaceholder text
400
4DBE
#4DBEFF
Disabled statesSecondary iconsMuted text
500
1AAB
#1AABFF
Primary brand colorCTAsActive elementsLinks
600
008E
#008EE0
Hover statesFocus ringsPrimary buttons hover
700
0071
#0071B3
Active/pressed statesDark mode accentsSecondary text
800
0051
#005180
Text on light backgroundsHeadingsStrong borders
900
0034
#003452
Primary textHigh emphasis contentDark headings
950
0020
#002033
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F9FF;
  --cobalt-100: #DBF2FF;
  --cobalt-200: #BDE7FF;
  --cobalt-300: #8AD4FF;
  --cobalt-400: #4DBEFF;
  --cobalt-500: #1AABFF;
  --cobalt-600: #008EE0;
  --cobalt-700: #0071B3;
  --cobalt-800: #005180;
  --cobalt-900: #003452;
  --cobalt-950: #002033;
}
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