Cobalt

#0A3CA9

Blue

Color Codes

All color formats for development

HEX
#0A3CA9
RGB
rgb(10, 60, 169)
HSL
hsl(221, 89%, 35%)
OKLCH
oklch(0.406 0.182 262.8)
CMYK
cmyk(94%, 64%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

9.41:1

AA AAA

On Black Background

2.23:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F5
100
#DDE7
200
#C0D3
300
#90B1
400
#5689
500
#2667
600
#0C4C
700
#0A3C
800
#072B
900
#041B
950
#0311

Shades

Darker variations

1#093698
2#083087
3#072A76
4#062465
5#051E54
6#041843
7#031233
8#020C22
9#010611

Tints

Lighter variations

1#0C47C8
2#0D52E7
3#2465F2
4#437BF4
5#6291F6
6#82A7F8
7#A1BDFA
8#C0D3FB
9#E0E9FD

Tones

Muted variations

1#123FA1
2#1A4299
3#224591
4#2A4889
5#324B81
6#394E79
7#415171
8#495369
9#515661

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F5
#F1F5FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE7
#DDE7FD
Light backgroundsTable row hoverSkeleton loading
200
C0D3
#C0D3FB
Secondary backgroundsInput backgroundsDividers
300
90B1
#90B1F9
BordersInactive statesPlaceholder text
400
5689
#5689F5
Disabled statesSecondary iconsMuted text
500
2667
#2667F2
Primary brand colorCTAsActive elementsLinks
600
0C4C
#0C4CD4
Hover statesFocus ringsPrimary buttons hover
700
0A3C
#0A3CA9
Active/pressed statesDark mode accentsSecondary text
800
072B
#072B78
Text on light backgroundsHeadingsStrong borders
900
041B
#041B4D
Primary textHigh emphasis contentDark headings
950
0311
#031130
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F5FE;
  --cobalt-100: #DDE7FD;
  --cobalt-200: #C0D3FB;
  --cobalt-300: #90B1F9;
  --cobalt-400: #5689F5;
  --cobalt-500: #2667F2;
  --cobalt-600: #0C4CD4;
  --cobalt-700: #0A3CA9;
  --cobalt-800: #072B78;
  --cobalt-900: #041B4D;
  --cobalt-950: #031130;
}
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