Cobalt

#212791

Blue

Color Codes

All color formats for development

HEX
#212791
RGB
rgb(33, 39, 145)
HSL
hsl(237, 63%, 35%)
OKLCH
oklch(0.352 0.17 271.3)
CMYK
cmyk(77%, 73%, 0%, 43%)

Accessibility

WCAG contrast compliance

On White Background

11.91:1

AA AAA

On Black Background

1.76:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F3
100
#E2E3
200
#C9CB
300
#9FA3
400
#6E73
500
#444B
600
#2A31
700
#2127
800
#181C
900
#0F12
950
#090B

Shades

Darker variations

1#1E2383
2#1A1F74
3#171B66
4#141757
5#111349
6#0D0F3A
7#0A0C2C
8#07081D
9#03040F

Tints

Lighter variations

1#272EAC
2#2D35C8
3#4249D4
4#5D63DA
5#787DE0
6#9397E6
7#AEB1ED
8#C9CBF3
9#E4E5F9

Tones

Muted variations

1#272C8C
2#2C3186
3#323681
4#383B7B
5#3D4075
6#434570
7#484A6A
8#4E4F64
9#54545F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F3
#F3F3FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E3
#E2E3F8
Light backgroundsTable row hoverSkeleton loading
200
C9CB
#C9CBF3
Secondary backgroundsInput backgroundsDividers
300
9FA3
#9FA3E9
BordersInactive statesPlaceholder text
400
6E73
#6E73DE
Disabled statesSecondary iconsMuted text
500
444B
#444BD5
Primary brand colorCTAsActive elementsLinks
600
2A31
#2A31B7
Hover statesFocus ringsPrimary buttons hover
700
2127
#212791
Active/pressed statesDark mode accentsSecondary text
800
181C
#181C68
Text on light backgroundsHeadingsStrong borders
900
0F12
#0F1243
Primary textHigh emphasis contentDark headings
950
090B
#090B2A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F3FC;
  --cobalt-100: #E2E3F8;
  --cobalt-200: #C9CBF3;
  --cobalt-300: #9FA3E9;
  --cobalt-400: #6E73DE;
  --cobalt-500: #444BD5;
  --cobalt-600: #2A31B7;
  --cobalt-700: #212791;
  --cobalt-800: #181C68;
  --cobalt-900: #0F1243;
  --cobalt-950: #090B2A;
}
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