Cobalt

#0D42D3

Blue

Color Codes

All color formats for development

HEX
#0D42D3
RGB
rgb(13, 66, 211)
HSL
hsl(224, 88%, 44%)
OKLCH
oklch(0.459 0.227 263.8)
CMYK
cmyk(94%, 69%, 0%, 17%)

Accessibility

WCAG contrast compliance

On White Background

7.67:1

AA AAA

On Black Background

2.74:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F4
100
#DDE6
200
#C1D0
300
#91AC
400
#5781
500
#275D
600
#0D42
700
#0B35
800
#0826
900
#0518
950
#030F

Shades

Darker variations

1#0C3CBE
2#0B35A9
3#092E94
4#08287F
5#072169
6#051A54
7#04143F
8#030D2A
9#010715

Tints

Lighter variations

1#0F4BEE
2#285EF1
3#4372F3
4#5E86F5
5#799AF6
6#94AEF8
7#AEC3FA
8#C9D7FC
9#E4EBFD

Tones

Muted variations

1#1747C9
2#214BBF
3#2B50B5
4#3555AB
5#3F59A2
6#495E98
7#53628E
8#5C6784
9#666C7A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F4
#F1F4FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE6
#DDE6FD
Light backgroundsTable row hoverSkeleton loading
200
C1D0
#C1D0FB
Secondary backgroundsInput backgroundsDividers
300
91AC
#91ACF8
BordersInactive statesPlaceholder text
400
5781
#5781F4
Disabled statesSecondary iconsMuted text
500
275D
#275DF1
Primary brand colorCTAsActive elementsLinks
600
0D42
#0D42D3
Hover statesFocus ringsPrimary buttons hover
700
0B35
#0B35A8
Active/pressed statesDark mode accentsSecondary text
800
0826
#082678
Text on light backgroundsHeadingsStrong borders
900
0518
#05184D
Primary textHigh emphasis contentDark headings
950
030F
#030F30
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F4FE;
  --cobalt-100: #DDE6FD;
  --cobalt-200: #C1D0FB;
  --cobalt-300: #91ACF8;
  --cobalt-400: #5781F4;
  --cobalt-500: #275DF1;
  --cobalt-600: #0D42D3;
  --cobalt-700: #0B35A8;
  --cobalt-800: #082678;
  --cobalt-900: #05184D;
  --cobalt-950: #030F30;
}
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