Cobalt

#004D80

Blue

Color Codes

All color formats for development

HEX
#004D80
RGB
rgb(0, 77, 128)
HSL
hsl(204, 100%, 25%)
OKLCH
oklch(0.409 0.107 246.8)
CMYK
cmyk(100%, 40%, 0%, 50%)

Accessibility

WCAG contrast compliance

On White Background

8.85:1

AA AAA

On Black Background

2.37:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F9
100
#DBF1
200
#BDE4
300
#8AD0
400
#4DB8
500
#1AA3
600
#0087
700
#006B
800
#004D
900
#0031
950
#001F

Shades

Darker variations

1#004573
2#003D66
3#003659
4#002E4D
5#002640
6#001F33
7#001726
8#000F1A
9#00080D

Tints

Lighter variations

1#0063A6
2#007ACC
3#0091F2
4#1AA3FF
5#40B3FF
6#66C2FF
7#8CD1FF
8#B3E0FF
9#D9F0FF

Tones

Muted variations

1#064B79
2#0D4A73
3#13496C
4#194766
5#204660
6#264559
7#2D4453
8#33424D
9#394146

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F9
#F0F9FF
BackgroundsSubtle highlightsCard backgrounds
100
DBF1
#DBF1FF
Light backgroundsTable row hoverSkeleton loading
200
BDE4
#BDE4FF
Secondary backgroundsInput backgroundsDividers
300
8AD0
#8AD0FF
BordersInactive statesPlaceholder text
400
4DB8
#4DB8FF
Disabled statesSecondary iconsMuted text
500
1AA3
#1AA3FF
Primary brand colorCTAsActive elementsLinks
600
0087
#0087E0
Hover statesFocus ringsPrimary buttons hover
700
006B
#006BB3
Active/pressed statesDark mode accentsSecondary text
800
004D
#004D80
Text on light backgroundsHeadingsStrong borders
900
0031
#003152
Primary textHigh emphasis contentDark headings
950
001F
#001F33
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F9FF;
  --cobalt-100: #DBF1FF;
  --cobalt-200: #BDE4FF;
  --cobalt-300: #8AD0FF;
  --cobalt-400: #4DB8FF;
  --cobalt-500: #1AA3FF;
  --cobalt-600: #0087E0;
  --cobalt-700: #006BB3;
  --cobalt-800: #004D80;
  --cobalt-900: #003152;
  --cobalt-950: #001F33;
}
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