Cobalt

#0A1FA9

Blue

Color Codes

All color formats for development

HEX
#0A1FA9
RGB
rgb(10, 31, 169)
HSL
hsl(232, 89%, 35%)
OKLCH
oklch(0.359 0.212 265.5)
CMYK
cmyk(94%, 82%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

11.79:1

AA AAA

On Black Background

1.78:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F2
100
#DDE1
200
#C0C8
300
#909E
400
#566B
500
#2641
600
#0C27
700
#0A1F
800
#0716
900
#040E
950
#0309

Shades

Darker variations

1#091C98
2#081987
3#071676
4#061365
5#050F54
6#040C43
7#030933
8#020622
9#010311

Tints

Lighter variations

1#0C25C8
2#0D2BE7
3#243FF2
4#435BF4
5#6276F6
6#8291F8
7#A1ADFA
8#C0C8FB
9#E0E4FD

Tones

Muted variations

1#1225A1
2#1A2B99
3#223091
4#2A3689
5#323C81
6#394279
7#414871
8#494E69
9#515361

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F2
#F1F2FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE1
#DDE1FD
Light backgroundsTable row hoverSkeleton loading
200
C0C8
#C0C8FB
Secondary backgroundsInput backgroundsDividers
300
909E
#909EF9
BordersInactive statesPlaceholder text
400
566B
#566BF5
Disabled statesSecondary iconsMuted text
500
2641
#2641F2
Primary brand colorCTAsActive elementsLinks
600
0C27
#0C27D4
Hover statesFocus ringsPrimary buttons hover
700
0A1F
#0A1FA9
Active/pressed statesDark mode accentsSecondary text
800
0716
#071678
Text on light backgroundsHeadingsStrong borders
900
040E
#040E4D
Primary textHigh emphasis contentDark headings
950
0309
#030930
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F2FE;
  --cobalt-100: #DDE1FD;
  --cobalt-200: #C0C8FB;
  --cobalt-300: #909EF9;
  --cobalt-400: #566BF5;
  --cobalt-500: #2641F2;
  --cobalt-600: #0C27D4;
  --cobalt-700: #0A1FA9;
  --cobalt-800: #071678;
  --cobalt-900: #040E4D;
  --cobalt-950: #030930;
}
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