Cobalt

#0D3FD3

Blue

Color Codes

All color formats for development

HEX
#0D3FD3
RGB
rgb(13, 63, 211)
HSL
hsl(225, 88%, 44%)
OKLCH
oklch(0.454 0.23 264.1)
CMYK
cmyk(94%, 70%, 0%, 17%)

Accessibility

WCAG contrast compliance

On White Background

7.87:1

AA AAA

On Black Background

2.67:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F4
100
#DDE5
200
#C1CF
300
#91AB
400
#577E
500
#275A
600
#0D3F
700
#0B32
800
#0824
900
#0517
950
#030E

Shades

Darker variations

1#0C39BE
2#0B32A9
3#092C94
4#08267F
5#071F69
6#051954
7#04133F
8#030D2A
9#010615

Tints

Lighter variations

1#0F47EE
2#285AF1
3#436FF3
4#5E84F5
5#7998F6
6#94ADF8
7#AEC1FA
8#C9D6FC
9#E4EAFD

Tones

Muted variations

1#1744C9
2#2149BF
3#2B4EB5
4#3553AB
5#3F58A2
6#495C98
7#53618E
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
C1CF
#C1CFFB
Secondary backgroundsInput backgroundsDividers
300
91AB
#91ABF8
BordersInactive statesPlaceholder text
400
577E
#577EF4
Disabled statesSecondary iconsMuted text
500
275A
#275AF1
Primary brand colorCTAsActive elementsLinks
600
0D3F
#0D3FD3
Hover statesFocus ringsPrimary buttons hover
700
0B32
#0B32A8
Active/pressed statesDark mode accentsSecondary text
800
0824
#082478
Text on light backgroundsHeadingsStrong borders
900
0517
#05174D
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: #C1CFFB;
  --cobalt-300: #91ABF8;
  --cobalt-400: #577EF4;
  --cobalt-500: #275AF1;
  --cobalt-600: #0D3FD3;
  --cobalt-700: #0B32A8;
  --cobalt-800: #082478;
  --cobalt-900: #05174D;
  --cobalt-950: #030E30;
}
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