Cobalt

#043ADC

Blue

Color Codes

All color formats for development

HEX
#043ADC
RGB
rgb(4, 58, 220)
HSL
hsl(225, 96%, 44%)
OKLCH
oklch(0.455 0.246 263.9)
CMYK
cmyk(98%, 74%, 0%, 14%)

Accessibility

WCAG contrast compliance

On White Background

7.94:1

AA AAA

On Black Background

2.64:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F4
100
#DCE5
200
#BECE
300
#8CA8
400
#507B
500
#1E55
600
#043A
700
#042E
800
#0321
900
#0215
950
#010D

Shades

Darker variations

1#0435C6
2#042FB0
3#03299A
4#032384
5#021D6E
6#021758
7#011242
8#010C2C
9#000616

Tints

Lighter variations

1#0542F8
2#1F56FA
3#3B6BFB
4#5780FC
5#7395FC
6#8FAAFD
7#ABC0FD
8#C7D5FE
9#E3EAFE

Tones

Muted variations

1#0F40D1
2#1A45C6
3#254BBC
4#3050B1
5#3A55A6
6#455B9B
7#506091
8#5B6586
9#656B7B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F4
#F0F4FF
BackgroundsSubtle highlightsCard backgrounds
100
DCE5
#DCE5FE
Light backgroundsTable row hoverSkeleton loading
200
BECE
#BECEFE
Secondary backgroundsInput backgroundsDividers
300
8CA8
#8CA8FD
BordersInactive statesPlaceholder text
400
507B
#507BFB
Disabled statesSecondary iconsMuted text
500
1E55
#1E55FA
Primary brand colorCTAsActive elementsLinks
600
043A
#043ADC
Hover statesFocus ringsPrimary buttons hover
700
042E
#042EAF
Active/pressed statesDark mode accentsSecondary text
800
0321
#03217D
Text on light backgroundsHeadingsStrong borders
900
0215
#021550
Primary textHigh emphasis contentDark headings
950
010D
#010D32
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F4FF;
  --cobalt-100: #DCE5FE;
  --cobalt-200: #BECEFE;
  --cobalt-300: #8CA8FD;
  --cobalt-400: #507BFB;
  --cobalt-500: #1E55FA;
  --cobalt-600: #043ADC;
  --cobalt-700: #042EAF;
  --cobalt-800: #03217D;
  --cobalt-900: #021550;
  --cobalt-950: #010D32;
}
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