Cobalt

#021CB1

Blue

Color Codes

All color formats for development

HEX
#021CB1
RGB
rgb(2, 28, 177)
HSL
hsl(231, 98%, 35%)
OKLCH
oklch(0.364 0.224 264.4)
CMYK
cmyk(99%, 84%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

11.64:1

AA AAA

On Black Background

1.80:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F2
100
#DCE1
200
#BDC7
300
#8B9C
400
#4E69
500
#1C3E
600
#0223
700
#021C
800
#0114
900
#010D
950
#0108

Shades

Darker variations

1#02199F
2#01168D
3#01147C
4#01116A
5#010E58
6#010B47
7#010835
8#000623
9#000312

Tints

Lighter variations

1#0221D2
2#0226F2
3#193BFD
4#3A57FD
5#5B73FD
6#7C8FFE
7#9DABFE
8#BDC7FE
9#DEE3FF

Tones

Muted variations

1#0B22A8
2#13289F
3#1C2E96
4#25358E
5#2E3B85
6#36417C
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
#DCE1FF
Light backgroundsTable row hoverSkeleton loading
200
BDC7
#BDC7FE
Secondary backgroundsInput backgroundsDividers
300
8B9C
#8B9CFE
BordersInactive statesPlaceholder text
400
4E69
#4E69FD
Disabled statesSecondary iconsMuted text
500
1C3E
#1C3EFD
Primary brand colorCTAsActive elementsLinks
600
0223
#0223DE
Hover statesFocus ringsPrimary buttons hover
700
021C
#021CB1
Active/pressed statesDark mode accentsSecondary text
800
0114
#01147E
Text on light backgroundsHeadingsStrong borders
900
010D
#010D51
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: #DCE1FF;
  --cobalt-200: #BDC7FE;
  --cobalt-300: #8B9CFE;
  --cobalt-400: #4E69FD;
  --cobalt-500: #1C3EFD;
  --cobalt-600: #0223DE;
  --cobalt-700: #021CB1;
  --cobalt-800: #01147E;
  --cobalt-900: #010D51;
  --cobalt-950: #010832;
}
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