Cobalt

#04407C

Blue

Color Codes

All color formats for development

HEX
#04407C
RGB
rgb(4, 64, 124)
HSL
hsl(210, 94%, 25%)
OKLCH
oklch(0.374 0.116 254.2)
CMYK
cmyk(97%, 48%, 0%, 51%)

Accessibility

WCAG contrast compliance

On White Background

10.35:1

AA AAA

On Black Background

2.03:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F7
100
#DCED
200
#BFDE
300
#8DC4
400
#52A6
500
#208C
600
#0770
700
#0559
800
#0440
900
#0229
950
#021A

Shades

Darker variations

1#03396F
2#033363
3#032D57
4#02264A
5#02203E
6#021931
7#011325
8#010D19
9#00060C

Tints

Lighter variations

1#0553A1
2#0666C6
3#0779EB
4#208CF8
5#459FF9
6#6BB2FA
7#90C6FC
8#B5D9FD
9#DAECFE

Tones

Muted variations

1#0A4076
2#104070
3#16406A
4#1C4064
5#22405E
6#284058
7#2E4052
8#34404C
9#3A4046

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F7
#F0F7FF
BackgroundsSubtle highlightsCard backgrounds
100
DCED
#DCEDFE
Light backgroundsTable row hoverSkeleton loading
200
BFDE
#BFDEFD
Secondary backgroundsInput backgroundsDividers
300
8DC4
#8DC4FB
BordersInactive statesPlaceholder text
400
52A6
#52A6FA
Disabled statesSecondary iconsMuted text
500
208C
#208CF8
Primary brand colorCTAsActive elementsLinks
600
0770
#0770DA
Hover statesFocus ringsPrimary buttons hover
700
0559
#0559AD
Active/pressed statesDark mode accentsSecondary text
800
0440
#04407C
Text on light backgroundsHeadingsStrong borders
900
0229
#02294F
Primary textHigh emphasis contentDark headings
950
021A
#021A31
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F7FF;
  --cobalt-100: #DCEDFE;
  --cobalt-200: #BFDEFD;
  --cobalt-300: #8DC4FB;
  --cobalt-400: #52A6FA;
  --cobalt-500: #208CF8;
  --cobalt-600: #0770DA;
  --cobalt-700: #0559AD;
  --cobalt-800: #04407C;
  --cobalt-900: #02294F;
  --cobalt-950: #021A31;
}
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