Cobalt

#0D53D3

Blue

Color Codes

All color formats for development

HEX
#0D53D3
RGB
rgb(13, 83, 211)
HSL
hsl(219, 88%, 44%)
OKLCH
oklch(0.49 0.208 261.7)
CMYK
cmyk(94%, 61%, 0%, 17%)

Accessibility

WCAG contrast compliance

On White Background

6.57:1

AA AAA

On Black Background

3.20:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F5
100
#DDE8
200
#C1D5
300
#91B5
400
#578E
500
#276E
600
#0D53
700
#0B42
800
#082F
900
#051E
950
#0313

Shades

Darker variations

1#0C4ABE
2#0B42A9
3#093A94
4#08327F
5#072969
6#052154
7#04193F
8#03112A
9#010815

Tints

Lighter variations

1#0F5DEE
2#286FF1
3#4381F3
4#5E93F5
5#79A5F6
6#94B7F8
7#AEC9FA
8#C9DBFC
9#E4EDFD

Tones

Muted variations

1#1756C9
2#2159BF
3#2B5BB5
4#355EAB
5#3F61A2
6#496498
7#53678E
8#5C6A84
9#666D7A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F5
#F1F5FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE8
#DDE8FD
Light backgroundsTable row hoverSkeleton loading
200
C1D5
#C1D5FB
Secondary backgroundsInput backgroundsDividers
300
91B5
#91B5F8
BordersInactive statesPlaceholder text
400
578E
#578EF4
Disabled statesSecondary iconsMuted text
500
276E
#276EF1
Primary brand colorCTAsActive elementsLinks
600
0D53
#0D53D3
Hover statesFocus ringsPrimary buttons hover
700
0B42
#0B42A8
Active/pressed statesDark mode accentsSecondary text
800
082F
#082F78
Text on light backgroundsHeadingsStrong borders
900
051E
#051E4D
Primary textHigh emphasis contentDark headings
950
0313
#031330
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F5FE;
  --cobalt-100: #DDE8FD;
  --cobalt-200: #C1D5FB;
  --cobalt-300: #91B5F8;
  --cobalt-400: #578EF4;
  --cobalt-500: #276EF1;
  --cobalt-600: #0D53D3;
  --cobalt-700: #0B42A8;
  --cobalt-800: #082F78;
  --cobalt-900: #051E4D;
  --cobalt-950: #031330;
}
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