Cobalt

#0643AC

Blue

Color Codes

All color formats for development

HEX
#0643AC
RGB
rgb(6, 67, 172)
HSL
hsl(218, 93%, 35%)
OKLCH
oklch(0.422 0.178 261.3)
CMYK
cmyk(97%, 61%, 0%, 33%)

Accessibility

WCAG contrast compliance

On White Background

8.73:1

AA AAA

On Black Background

2.41:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F5
100
#DDE9
200
#BFD6
300
#8EB6
400
#5390
500
#2270
600
#0854
700
#0643
800
#0430
900
#031F
950
#0213

Shades

Darker variations

1#063C9B
2#05368A
3#042F79
4#042867
5#032256
6#021B45
7#021434
8#010D22
9#010711

Tints

Lighter variations

1#0750CC
2#095CEC
3#1F6EF7
4#3F83F8
5#5F98F9
6#7FACFA
7#9FC1FC
8#BFD6FD
9#DFEAFE

Tones

Muted variations

1#0F45A4
2#17489C
3#1F4A93
4#274C8B
5#304E83
6#38507A
7#405372
8#49556A
9#515762

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F5
#F0F5FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE9
#DDE9FE
Light backgroundsTable row hoverSkeleton loading
200
BFD6
#BFD6FD
Secondary backgroundsInput backgroundsDividers
300
8EB6
#8EB6FB
BordersInactive statesPlaceholder text
400
5390
#5390F9
Disabled statesSecondary iconsMuted text
500
2270
#2270F7
Primary brand colorCTAsActive elementsLinks
600
0854
#0854D9
Hover statesFocus ringsPrimary buttons hover
700
0643
#0643AC
Active/pressed statesDark mode accentsSecondary text
800
0430
#04307B
Text on light backgroundsHeadingsStrong borders
900
031F
#031F4F
Primary textHigh emphasis contentDark headings
950
0213
#021331
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F5FE;
  --cobalt-100: #DDE9FE;
  --cobalt-200: #BFD6FD;
  --cobalt-300: #8EB6FB;
  --cobalt-400: #5390F9;
  --cobalt-500: #2270F7;
  --cobalt-600: #0854D9;
  --cobalt-700: #0643AC;
  --cobalt-800: #04307B;
  --cobalt-900: #031F4F;
  --cobalt-950: #021331;
}
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