Cobalt

#0034E0

Blue

Color Codes

All color formats for development

HEX
#0034E0
RGB
rgb(0, 52, 224)
HSL
hsl(226, 100%, 44%)
OKLCH
oklch(0.45 0.257 263.9)
CMYK
cmyk(100%, 77%, 0%, 12%)

Accessibility

WCAG contrast compliance

On White Background

8.18:1

AA AAA

On Black Background

2.57:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F3
100
#DBE4
200
#BDCC
300
#8AA5
400
#4D76
500
#1A4F
600
#0034
700
#002A
800
#001E
900
#0013
950
#000C

Shades

Darker variations

1#002FCA
2#002AB4
3#00259D
4#001F87
5#001A70
6#00155A
7#001043
8#000A2D
9#000516

Tints

Lighter variations

1#003BFD
2#1B50FF
3#3766FF
4#547CFF
5#7092FF
6#8DA7FF
7#A9BDFF
8#C6D3FF
9#E2E9FF

Tones

Muted variations

1#0B3AD5
2#1640CA
3#2246BF
4#2D4CB4
5#3852A8
6#43589D
7#4F5E92
8#5A6487
9#656A7B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F3
#F0F3FF
BackgroundsSubtle highlightsCard backgrounds
100
DBE4
#DBE4FF
Light backgroundsTable row hoverSkeleton loading
200
BDCC
#BDCCFF
Secondary backgroundsInput backgroundsDividers
300
8AA5
#8AA5FF
BordersInactive statesPlaceholder text
400
4D76
#4D76FF
Disabled statesSecondary iconsMuted text
500
1A4F
#1A4FFF
Primary brand colorCTAsActive elementsLinks
600
0034
#0034E0
Hover statesFocus ringsPrimary buttons hover
700
002A
#002AB3
Active/pressed statesDark mode accentsSecondary text
800
001E
#001E80
Text on light backgroundsHeadingsStrong borders
900
0013
#001352
Primary textHigh emphasis contentDark headings
950
000C
#000C33
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F3FF;
  --cobalt-100: #DBE4FF;
  --cobalt-200: #BDCCFF;
  --cobalt-300: #8AA5FF;
  --cobalt-400: #4D76FF;
  --cobalt-500: #1A4FFF;
  --cobalt-600: #0034E0;
  --cobalt-700: #002AB3;
  --cobalt-800: #001E80;
  --cobalt-900: #001352;
  --cobalt-950: #000C33;
}
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