Cobalt

#0559AD

Blue

Color Codes

All color formats for development

HEX
#0559AD
RGB
rgb(5, 89, 173)
HSL
hsl(210, 94%, 35%)
OKLCH
oklch(0.47 0.152 255)
CMYK
cmyk(97%, 49%, 0%, 32%)

Accessibility

WCAG contrast compliance

On White Background

6.91:1

AA AAA

On Black Background

3.04:1

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#05509C
2#04478B
3#043E79
4#033668
5#032D57
6#022445
7#021B34
8#011223
9#010911

Tints

Lighter variations

1#066ACD
2#077AED
3#1E8BF8
4#3E9CF9
5#5EACFA
6#7EBDFB
7#9FCDFC
8#BFDEFD
9#DFEEFE

Tones

Muted variations

1#0E59A5
2#16599C
3#1F5994
4#27598C
5#2F5983
6#38597B
7#405972
8#48596A
9#515962

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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