Cobalt

#0B2AA8

Blue

Color Codes

All color formats for development

HEX
#0B2AA8
RGB
rgb(11, 42, 168)
HSL
hsl(228, 88%, 35%)
OKLCH
oklch(0.374 0.2 265)
CMYK
cmyk(93%, 75%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

10.99:1

AA AAA

On Black Background

1.91:1

AA AAA
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Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F3
100
#DDE4
200
#C1CC
300
#91A5
400
#5777
500
#2750
600
#0D35
700
#0B2A
800
#081E
900
#0513
950
#030C

Shades

Darker variations

1#0A2697
2#092286
3#071D75
4#061965
5#051554
6#041143
7#030D32
8#020822
9#010411

Tints

Lighter variations

1#0D32C7
2#0F3AE6
3#254EF1
4#4467F3
5#6380F5
6#829AF7
7#A2B3F9
8#C1CCFB
9#E0E6FD

Tones

Muted variations

1#132FA0
2#1A3498
3#223890
4#2A3D88
5#324281
6#3A4679
7#424B71
8#4A5069
9#515561

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F3
#F1F3FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE4
#DDE4FD
Light backgroundsTable row hoverSkeleton loading
200
C1CC
#C1CCFB
Secondary backgroundsInput backgroundsDividers
300
91A5
#91A5F8
BordersInactive statesPlaceholder text
400
5777
#5777F4
Disabled statesSecondary iconsMuted text
500
2750
#2750F1
Primary brand colorCTAsActive elementsLinks
600
0D35
#0D35D3
Hover statesFocus ringsPrimary buttons hover
700
0B2A
#0B2AA8
Active/pressed statesDark mode accentsSecondary text
800
081E
#081E78
Text on light backgroundsHeadingsStrong borders
900
0513
#05134D
Primary textHigh emphasis contentDark headings
950
030C
#030C30
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F3FE;
  --cobalt-100: #DDE4FD;
  --cobalt-200: #C1CCFB;
  --cobalt-300: #91A5F8;
  --cobalt-400: #5777F4;
  --cobalt-500: #2750F1;
  --cobalt-600: #0D35D3;
  --cobalt-700: #0B2AA8;
  --cobalt-800: #081E78;
  --cobalt-900: #05134D;
  --cobalt-950: #030C30;
}
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