Cobalt

#0213B1

Blue

Color Codes

All color formats for development

HEX
#0213B1
RGB
rgb(2, 19, 177)
HSL
hsl(234, 98%, 35%)
OKLCH
oklch(0.356 0.23 264.5)
CMYK
cmyk(99%, 89%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

12.13:1

AA AAA

On Black Background

1.73:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F1
100
#DCDF
200
#BDC4
300
#8B96
400
#4E60
500
#1C32
600
#0218
700
#0213
800
#010E
900
#0109
950
#0106

Shades

Darker variations

1#02119F
2#010F8D
3#010D7C
4#010C6A
5#010A58
6#010847
7#010635
8#000423
9#000212

Tints

Lighter variations

1#0217D2
2#021AF2
3#1930FD
4#3A4EFD
5#5B6BFD
6#7C89FE
7#9DA6FE
8#BDC4FE
9#DEE1FF

Tones

Muted variations

1#0B1AA8
2#13219F
3#1C2896
4#252F8E
5#2E3685
6#363D7C
7#3F4473
8#484B6B
9#515262

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F1
#F0F1FF
BackgroundsSubtle highlightsCard backgrounds
100
DCDF
#DCDFFF
Light backgroundsTable row hoverSkeleton loading
200
BDC4
#BDC4FE
Secondary backgroundsInput backgroundsDividers
300
8B96
#8B96FE
BordersInactive statesPlaceholder text
400
4E60
#4E60FD
Disabled statesSecondary iconsMuted text
500
1C32
#1C32FD
Primary brand colorCTAsActive elementsLinks
600
0218
#0218DE
Hover statesFocus ringsPrimary buttons hover
700
0213
#0213B1
Active/pressed statesDark mode accentsSecondary text
800
010E
#010E7E
Text on light backgroundsHeadingsStrong borders
900
0109
#010951
Primary textHigh emphasis contentDark headings
950
0106
#010632
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F1FF;
  --cobalt-100: #DCDFFF;
  --cobalt-200: #BDC4FE;
  --cobalt-300: #8B96FE;
  --cobalt-400: #4E60FD;
  --cobalt-500: #1C32FD;
  --cobalt-600: #0218DE;
  --cobalt-700: #0213B1;
  --cobalt-800: #010E7E;
  --cobalt-900: #010951;
  --cobalt-950: #010632;
}
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