Cobalt

#031DB0

Blue

Color Codes

All color formats for development

HEX
#031DB0
RGB
rgb(3, 29, 176)
HSL
hsl(231, 97%, 35%)
OKLCH
oklch(0.364 0.222 264.6)
CMYK
cmyk(98%, 84%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

11.62:1

AA AAA

On Black Background

1.81:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F2
100
#DCE1
200
#BEC7
300
#8B9D
400
#4F69
500
#1D3E
600
#0324
700
#031D
800
#0214
900
#010D
950
#0108

Shades

Darker variations

1#021A9E
2#02178D
3#02147B
4#021169
5#010E58
6#010B46
7#010935
8#010623
9#000312

Tints

Lighter variations

1#0322D0
2#0427F1
3#1A3CFC
4#3B58FC
5#5C74FD
6#7C90FD
7#9DACFE
8#BEC7FE
9#DEE3FF

Tones

Muted variations

1#0B23A7
2#14299F
3#1D2F96
4#25358D
5#2E3B85
6#37417C
7#3F4773
8#484D6B
9#515362

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F2
#F0F2FF
BackgroundsSubtle highlightsCard backgrounds
100
DCE1
#DCE1FE
Light backgroundsTable row hoverSkeleton loading
200
BEC7
#BEC7FE
Secondary backgroundsInput backgroundsDividers
300
8B9D
#8B9DFD
BordersInactive statesPlaceholder text
400
4F69
#4F69FC
Disabled statesSecondary iconsMuted text
500
1D3E
#1D3EFC
Primary brand colorCTAsActive elementsLinks
600
0324
#0324DD
Hover statesFocus ringsPrimary buttons hover
700
031D
#031DB0
Active/pressed statesDark mode accentsSecondary text
800
0214
#02147E
Text on light backgroundsHeadingsStrong borders
900
010D
#010D50
Primary textHigh emphasis contentDark headings
950
0108
#010832
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F2FF;
  --cobalt-100: #DCE1FE;
  --cobalt-200: #BEC7FE;
  --cobalt-300: #8B9DFD;
  --cobalt-400: #4F69FC;
  --cobalt-500: #1D3EFC;
  --cobalt-600: #0324DD;
  --cobalt-700: #031DB0;
  --cobalt-800: #02147E;
  --cobalt-900: #010D50;
  --cobalt-950: #010832;
}
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