Cobalt

#003CB3

Blue

Color Codes

All color formats for development

HEX
#003CB3
RGB
rgb(0, 60, 179)
HSL
hsl(220, 100%, 35%)
OKLCH
oklch(0.414 0.196 262.3)
CMYK
cmyk(100%, 66%, 0%, 30%)

Accessibility

WCAG contrast compliance

On White Background

9.14:1

AA AAA

On Black Background

2.30:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F5
100
#DBE7
200
#BDD3
300
#8AB1
400
#4D88
500
#1A66
600
#004B
700
#003C
800
#002B
900
#001B
950
#0011

Shades

Darker variations

1#0036A1
2#00308F
3#002A7D
4#00246B
5#001E59
6#001847
7#001236
8#000C24
9#000612

Tints

Lighter variations

1#0047D4
2#0052F5
3#1764FF
4#387AFF
5#5990FF
6#7AA7FF
7#9CBDFF
8#BDD3FF
9#DEE9FF

Tones

Muted variations

1#093EAA
2#1241A1
3#1B4498
4#24478F
5#2D4A86
6#364D7D
7#3E5074
8#47536B
9#505662

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F5
#F0F5FF
BackgroundsSubtle highlightsCard backgrounds
100
DBE7
#DBE7FF
Light backgroundsTable row hoverSkeleton loading
200
BDD3
#BDD3FF
Secondary backgroundsInput backgroundsDividers
300
8AB1
#8AB1FF
BordersInactive statesPlaceholder text
400
4D88
#4D88FF
Disabled statesSecondary iconsMuted text
500
1A66
#1A66FF
Primary brand colorCTAsActive elementsLinks
600
004B
#004BE0
Hover statesFocus ringsPrimary buttons hover
700
003C
#003CB3
Active/pressed statesDark mode accentsSecondary text
800
002B
#002B80
Text on light backgroundsHeadingsStrong borders
900
001B
#001B52
Primary textHigh emphasis contentDark headings
950
0011
#001133
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F5FF;
  --cobalt-100: #DBE7FF;
  --cobalt-200: #BDD3FF;
  --cobalt-300: #8AB1FF;
  --cobalt-400: #4D88FF;
  --cobalt-500: #1A66FF;
  --cobalt-600: #004BE0;
  --cobalt-700: #003CB3;
  --cobalt-800: #002B80;
  --cobalt-900: #001B52;
  --cobalt-950: #001133;
}
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