Cobalt

#0050B3

Blue

Color Codes

All color formats for development

HEX
#0050B3
RGB
rgb(0, 80, 179)
HSL
hsl(213, 100%, 35%)
OKLCH
oklch(0.454 0.171 258.4)
CMYK
cmyk(100%, 55%, 0%, 30%)

Accessibility

WCAG contrast compliance

On White Background

7.50:1

AA AAA

On Black Background

2.80:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F7
100
#DBEB
200
#BDDB
300
#8ABE
400
#4D9D
500
#1A81
600
#0065
700
#0050
800
#0039
900
#0025
950
#0017

Shades

Darker variations

1#0048A1
2#00408F
3#00387D
4#00306B
5#002859
6#002047
7#001836
8#001024
9#000812

Tints

Lighter variations

1#005FD4
2#006EF5
3#177FFF
4#3892FF
5#59A4FF
6#7AB6FF
7#9CC8FF
8#BDDBFF
9#DEEDFF

Tones

Muted variations

1#0951AA
2#1252A1
3#1B5398
4#24548F
5#2D5586
6#36567D
7#3E5774
8#47576B
9#505862

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F7
#F0F7FF
BackgroundsSubtle highlightsCard backgrounds
100
DBEB
#DBEBFF
Light backgroundsTable row hoverSkeleton loading
200
BDDB
#BDDBFF
Secondary backgroundsInput backgroundsDividers
300
8ABE
#8ABEFF
BordersInactive statesPlaceholder text
400
4D9D
#4D9DFF
Disabled statesSecondary iconsMuted text
500
1A81
#1A81FF
Primary brand colorCTAsActive elementsLinks
600
0065
#0065E0
Hover statesFocus ringsPrimary buttons hover
700
0050
#0050B3
Active/pressed statesDark mode accentsSecondary text
800
0039
#003980
Text on light backgroundsHeadingsStrong borders
900
0025
#002552
Primary textHigh emphasis contentDark headings
950
0017
#001733
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F7FF;
  --cobalt-100: #DBEBFF;
  --cobalt-200: #BDDBFF;
  --cobalt-300: #8ABEFF;
  --cobalt-400: #4D9DFF;
  --cobalt-500: #1A81FF;
  --cobalt-600: #0065E0;
  --cobalt-700: #0050B3;
  --cobalt-800: #003980;
  --cobalt-900: #002552;
  --cobalt-950: #001733;
}
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