Cobalt

#0640AC

Blue

Color Codes

All color formats for development

HEX
#0640AC
RGB
rgb(6, 64, 172)
HSL
hsl(219, 93%, 35%)
OKLCH
oklch(0.416 0.181 261.8)
CMYK
cmyk(97%, 63%, 0%, 33%)

Accessibility

WCAG contrast compliance

On White Background

8.99:1

AA AAA

On Black Background

2.34:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F5
100
#DDE8
200
#BFD5
300
#8EB4
400
#538D
500
#226C
600
#0851
700
#0640
800
#042E
900
#031D
950
#0212

Shades

Darker variations

1#063A9B
2#05338A
3#042D79
4#042767
5#032056
6#021A45
7#021334
8#010D22
9#010611

Tints

Lighter variations

1#074CCC
2#0958EC
3#1F6BF7
4#3F80F8
5#5F95F9
6#7FAAFA
7#9FBFFC
8#BFD5FD
9#DFEAFE

Tones

Muted variations

1#0F43A4
2#17459C
3#1F4893
4#274A8B
5#304D83
6#384F7A
7#405272
8#49546A
9#515762

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F5
#F0F5FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE8
#DDE8FE
Light backgroundsTable row hoverSkeleton loading
200
BFD5
#BFD5FD
Secondary backgroundsInput backgroundsDividers
300
8EB4
#8EB4FB
BordersInactive statesPlaceholder text
400
538D
#538DF9
Disabled statesSecondary iconsMuted text
500
226C
#226CF7
Primary brand colorCTAsActive elementsLinks
600
0851
#0851D9
Hover statesFocus ringsPrimary buttons hover
700
0640
#0640AC
Active/pressed statesDark mode accentsSecondary text
800
042E
#042E7B
Text on light backgroundsHeadingsStrong borders
900
031D
#031D4F
Primary textHigh emphasis contentDark headings
950
0212
#021231
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F5FE;
  --cobalt-100: #DDE8FE;
  --cobalt-200: #BFD5FD;
  --cobalt-300: #8EB4FB;
  --cobalt-400: #538DF9;
  --cobalt-500: #226CF7;
  --cobalt-600: #0851D9;
  --cobalt-700: #0640AC;
  --cobalt-800: #042E7B;
  --cobalt-900: #031D4F;
  --cobalt-950: #021231;
}
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