Cobalt

#0065B3

Blue

Color Codes

All color formats for development

HEX
#0065B3
RGB
rgb(0, 101, 179)
HSL
hsl(206, 100%, 35%)
OKLCH
oklch(0.502 0.146 251.1)
CMYK
cmyk(100%, 44%, 0%, 30%)

Accessibility

WCAG contrast compliance

On White Background

5.98:1

AA AAA

On Black Background

3.51:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F8
100
#DBF0
200
#BDE2
300
#8ACC
400
#4DB2
500
#1A9C
600
#007F
700
#0065
800
#0048
900
#002E
950
#001D

Shades

Darker variations

1#005BA1
2#00518F
3#00477D
4#003D6B
5#003359
6#002847
7#001E36
8#001424
9#000A12

Tints

Lighter variations

1#0078D4
2#008BF5
3#179AFF
4#38A9FF
5#59B7FF
6#7AC6FF
7#9CD4FF
8#BDE2FF
9#DEF1FF

Tones

Muted variations

1#0964AA
2#1263A1
3#1B6298
4#24608F
5#2D5F86
6#365E7D
7#3E5D74
8#475C6B
9#505A62

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F8
#F0F8FF
BackgroundsSubtle highlightsCard backgrounds
100
DBF0
#DBF0FF
Light backgroundsTable row hoverSkeleton loading
200
BDE2
#BDE2FF
Secondary backgroundsInput backgroundsDividers
300
8ACC
#8ACCFF
BordersInactive statesPlaceholder text
400
4DB2
#4DB2FF
Disabled statesSecondary iconsMuted text
500
1A9C
#1A9CFF
Primary brand colorCTAsActive elementsLinks
600
007F
#007FE0
Hover statesFocus ringsPrimary buttons hover
700
0065
#0065B3
Active/pressed statesDark mode accentsSecondary text
800
0048
#004880
Text on light backgroundsHeadingsStrong borders
900
002E
#002E52
Primary textHigh emphasis contentDark headings
950
001D
#001D33
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F8FF;
  --cobalt-100: #DBF0FF;
  --cobalt-200: #BDE2FF;
  --cobalt-300: #8ACCFF;
  --cobalt-400: #4DB2FF;
  --cobalt-500: #1A9CFF;
  --cobalt-600: #007FE0;
  --cobalt-700: #0065B3;
  --cobalt-800: #004880;
  --cobalt-900: #002E52;
  --cobalt-950: #001D33;
}
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