Cobalt

#0359B0

Blue

Color Codes

All color formats for development

HEX
#0359B0
RGB
rgb(3, 89, 176)
HSL
hsl(210, 97%, 35%)
OKLCH
oklch(0.472 0.156 255.4)
CMYK
cmyk(98%, 49%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

6.86:1

AA AAA

On Black Background

3.06:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F7
100
#DCED
200
#BEDE
300
#8BC4
400
#4FA6
500
#1D8C
600
#0370
700
#0359
800
#0240
900
#0129
950
#011A

Shades

Darker variations

1#02509E
2#02478D
3#023E7B
4#023669
5#012D58
6#012446
7#011B35
8#011223
9#000912

Tints

Lighter variations

1#036AD0
2#047AF1
3#1A8BFC
4#3B9CFC
5#5CACFD
6#7CBDFD
7#9DCDFE
8#BEDEFE
9#DEEEFF

Tones

Muted variations

1#0B59A7
2#14599F
3#1D5996
4#25598D
5#2E5985
6#37597C
7#3F5973
8#48596B
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
BEDE
#BEDEFE
Secondary backgroundsInput backgroundsDividers
300
8BC4
#8BC4FD
BordersInactive statesPlaceholder text
400
4FA6
#4FA6FC
Disabled statesSecondary iconsMuted text
500
1D8C
#1D8CFC
Primary brand colorCTAsActive elementsLinks
600
0370
#0370DD
Hover statesFocus ringsPrimary buttons hover
700
0359
#0359B0
Active/pressed statesDark mode accentsSecondary text
800
0240
#02407E
Text on light backgroundsHeadingsStrong borders
900
0129
#012950
Primary textHigh emphasis contentDark headings
950
011A
#011A32
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F7FF;
  --cobalt-100: #DCEDFE;
  --cobalt-200: #BEDEFE;
  --cobalt-300: #8BC4FD;
  --cobalt-400: #4FA6FC;
  --cobalt-500: #1D8CFC;
  --cobalt-600: #0370DD;
  --cobalt-700: #0359B0;
  --cobalt-800: #02407E;
  --cobalt-900: #012950;
  --cobalt-950: #011A32;
}
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