Cobalt

#0D3CD3

Blue

Color Codes

All color formats for development

HEX
#0D3CD3
RGB
rgb(13, 60, 211)
HSL
hsl(226, 88%, 44%)
OKLCH
oklch(0.449 0.233 264.3)
CMYK
cmyk(94%, 72%, 0%, 17%)

Accessibility

WCAG contrast compliance

On White Background

8.06:1

AA AAA

On Black Background

2.60:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F4
100
#DDE5
200
#C1CE
300
#91A9
400
#577C
500
#2756
600
#0D3C
700
#0B2F
800
#0822
900
#0516
950
#030E

Shades

Darker variations

1#0C36BE
2#0B30A9
3#092A94
4#08247F
5#071E69
6#051854
7#04123F
8#030C2A
9#010615

Tints

Lighter variations

1#0F43EE
2#2857F1
3#436CF3
4#5E81F5
5#7996F6
6#94ABF8
7#AEC0FA
8#C9D5FC
9#E4EAFD

Tones

Muted variations

1#1741C9
2#2146BF
3#2B4BB5
4#3551AB
5#3F56A2
6#495B98
7#53608E
8#5C6684
9#666B7A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F4
#F1F4FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE5
#DDE5FD
Light backgroundsTable row hoverSkeleton loading
200
C1CE
#C1CEFB
Secondary backgroundsInput backgroundsDividers
300
91A9
#91A9F8
BordersInactive statesPlaceholder text
400
577C
#577CF4
Disabled statesSecondary iconsMuted text
500
2756
#2756F1
Primary brand colorCTAsActive elementsLinks
600
0D3C
#0D3CD3
Hover statesFocus ringsPrimary buttons hover
700
0B2F
#0B2FA8
Active/pressed statesDark mode accentsSecondary text
800
0822
#082278
Text on light backgroundsHeadingsStrong borders
900
0516
#05164D
Primary textHigh emphasis contentDark headings
950
030E
#030E30
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F4FE;
  --cobalt-100: #DDE5FD;
  --cobalt-200: #C1CEFB;
  --cobalt-300: #91A9F8;
  --cobalt-400: #577CF4;
  --cobalt-500: #2756F1;
  --cobalt-600: #0D3CD3;
  --cobalt-700: #0B2FA8;
  --cobalt-800: #082278;
  --cobalt-900: #05164D;
  --cobalt-950: #030E30;
}
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