Cobalt

#004F80

Blue

Color Codes

All color formats for development

HEX
#004F80
RGB
rgb(0, 79, 128)
HSL
hsl(203, 100%, 25%)
OKLCH
oklch(0.414 0.105 245.3)
CMYK
cmyk(100%, 38%, 0%, 50%)

Accessibility

WCAG contrast compliance

On White Background

8.64:1

AA AAA

On Black Background

2.43:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F9
100
#DBF1
200
#BDE6
300
#8AD2
400
#4DBB
500
#1AA7
600
#008A
700
#006E
800
#004F
900
#0032
950
#001F

Shades

Darker variations

1#004773
2#003F66
3#003759
4#002F4D
5#002740
6#001F33
7#001826
8#00101A
9#00080D

Tints

Lighter variations

1#0066A6
2#007ECC
3#0095F2
4#1AA7FF
5#40B6FF
6#66C4FF
7#8CD3FF
8#B3E2FF
9#D9F0FF

Tones

Muted variations

1#064D79
2#0D4C73
3#134A6C
4#194966
5#204760
6#264659
7#2D4453
8#33434D
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
BDE6
#BDE6FF
Secondary backgroundsInput backgroundsDividers
300
8AD2
#8AD2FF
BordersInactive statesPlaceholder text
400
4DBB
#4DBBFF
Disabled statesSecondary iconsMuted text
500
1AA7
#1AA7FF
Primary brand colorCTAsActive elementsLinks
600
008A
#008AE0
Hover statesFocus ringsPrimary buttons hover
700
006E
#006EB3
Active/pressed statesDark mode accentsSecondary text
800
004F
#004F80
Text on light backgroundsHeadingsStrong borders
900
0032
#003252
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: #BDE6FF;
  --cobalt-300: #8AD2FF;
  --cobalt-400: #4DBBFF;
  --cobalt-500: #1AA7FF;
  --cobalt-600: #008AE0;
  --cobalt-700: #006EB3;
  --cobalt-800: #004F80;
  --cobalt-900: #003252;
  --cobalt-950: #001F33;
}
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