Cobalt

#04367C

Blue

Color Codes

All color formats for development

HEX
#04367C
RGB
rgb(4, 54, 124)
HSL
hsl(215, 94%, 25%)
OKLCH
oklch(0.35 0.129 258.9)
CMYK
cmyk(97%, 56%, 0%, 51%)

Accessibility

WCAG contrast compliance

On White Background

11.51:1

AA AAA

On Black Background

1.82:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F6
100
#DCEA
200
#BFD9
300
#8DBB
400
#5298
500
#207A
600
#075F
700
#054B
800
#0436
900
#0222
950
#0216

Shades

Darker variations

1#03306F
2#032B63
3#032657
4#02204A
5#021B3E
6#021631
7#011025
8#010B19
9#00050C

Tints

Lighter variations

1#0546A1
2#0656C6
3#0766EB
4#207AF8
5#4590F9
6#6BA7FA
7#90BDFC
8#B5D3FD
9#DAE9FE

Tones

Muted variations

1#0A3776
2#103870
3#16396A
4#1C3A64
5#223B5E
6#283C58
7#2E3D52
8#343E4C
9#3A3F46

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F6
#F0F6FF
BackgroundsSubtle highlightsCard backgrounds
100
DCEA
#DCEAFE
Light backgroundsTable row hoverSkeleton loading
200
BFD9
#BFD9FD
Secondary backgroundsInput backgroundsDividers
300
8DBB
#8DBBFB
BordersInactive statesPlaceholder text
400
5298
#5298FA
Disabled statesSecondary iconsMuted text
500
207A
#207AF8
Primary brand colorCTAsActive elementsLinks
600
075F
#075FDA
Hover statesFocus ringsPrimary buttons hover
700
054B
#054BAD
Active/pressed statesDark mode accentsSecondary text
800
0436
#04367C
Text on light backgroundsHeadingsStrong borders
900
0222
#02224F
Primary textHigh emphasis contentDark headings
950
0216
#021631
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F6FF;
  --cobalt-100: #DCEAFE;
  --cobalt-200: #BFD9FD;
  --cobalt-300: #8DBBFB;
  --cobalt-400: #5298FA;
  --cobalt-500: #207AF8;
  --cobalt-600: #075FDA;
  --cobalt-700: #054BAD;
  --cobalt-800: #04367C;
  --cobalt-900: #02224F;
  --cobalt-950: #021631;
}
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