Cobalt

#0233B1

Blue

Color Codes

All color formats for development

HEX
#0233B1
RGB
rgb(2, 51, 177)
HSL
hsl(223, 98%, 35%)
OKLCH
oklch(0.397 0.203 263.4)
CMYK
cmyk(99%, 71%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

9.95:1

AA AAA

On Black Background

2.11:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F4
100
#DCE6
200
#BDD0
300
#8BAB
400
#4E80
500
#1C5C
600
#0241
700
#0233
800
#0125
900
#0117
950
#010F

Shades

Darker variations

1#022E9F
2#01298D
3#01247C
4#011F6A
5#011A58
6#011547
7#010F35
8#000A23
9#000512

Tints

Lighter variations

1#023DD2
2#0246F2
3#195AFD
4#3A71FD
5#5B89FD
6#7CA1FE
7#9DB8FE
8#BDD0FE
9#DEE7FF

Tones

Muted variations

1#0B37A8
2#133B9F
3#1C3F96
4#25438E
5#2E4685
6#364A7C
7#3F4E73
8#48526B
9#515562

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F4
#F0F4FF
BackgroundsSubtle highlightsCard backgrounds
100
DCE6
#DCE6FF
Light backgroundsTable row hoverSkeleton loading
200
BDD0
#BDD0FE
Secondary backgroundsInput backgroundsDividers
300
8BAB
#8BABFE
BordersInactive statesPlaceholder text
400
4E80
#4E80FD
Disabled statesSecondary iconsMuted text
500
1C5C
#1C5CFD
Primary brand colorCTAsActive elementsLinks
600
0241
#0241DE
Hover statesFocus ringsPrimary buttons hover
700
0233
#0233B1
Active/pressed statesDark mode accentsSecondary text
800
0125
#01257E
Text on light backgroundsHeadingsStrong borders
900
0117
#011751
Primary textHigh emphasis contentDark headings
950
010F
#010F32
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F4FF;
  --cobalt-100: #DCE6FF;
  --cobalt-200: #BDD0FE;
  --cobalt-300: #8BABFE;
  --cobalt-400: #4E80FD;
  --cobalt-500: #1C5CFD;
  --cobalt-600: #0241DE;
  --cobalt-700: #0233B1;
  --cobalt-800: #01257E;
  --cobalt-900: #011751;
  --cobalt-950: #010F32;
}
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