Cobalt

#0345B0

Blue

Color Codes

All color formats for development

HEX
#0345B0
RGB
rgb(3, 69, 176)
HSL
hsl(217, 97%, 35%)
OKLCH
oklch(0.429 0.181 260.9)
CMYK
cmyk(98%, 61%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

8.46:1

AA AAA

On Black Background

2.48:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F6
100
#DCE9
200
#BED6
300
#8BB7
400
#4F92
500
#1D72
600
#0357
700
#0345
800
#0231
900
#0120
950
#0114

Shades

Darker variations

1#023E9E
2#02378D
3#02307B
4#022969
5#012358
6#011C46
7#011535
8#010E23
9#000712

Tints

Lighter variations

1#0352D0
2#045FF1
3#1A71FC
4#3B85FC
5#5C99FD
6#7CAEFD
7#9DC2FE
8#BED6FE
9#DEEBFF

Tones

Muted variations

1#0B47A7
2#14499F
3#1D4B96
4#254D8D
5#2E4F85
6#37517C
7#3F5373
8#48556B
9#515762

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F6
#F0F6FF
BackgroundsSubtle highlightsCard backgrounds
100
DCE9
#DCE9FE
Light backgroundsTable row hoverSkeleton loading
200
BED6
#BED6FE
Secondary backgroundsInput backgroundsDividers
300
8BB7
#8BB7FD
BordersInactive statesPlaceholder text
400
4F92
#4F92FC
Disabled statesSecondary iconsMuted text
500
1D72
#1D72FC
Primary brand colorCTAsActive elementsLinks
600
0357
#0357DD
Hover statesFocus ringsPrimary buttons hover
700
0345
#0345B0
Active/pressed statesDark mode accentsSecondary text
800
0231
#02317E
Text on light backgroundsHeadingsStrong borders
900
0120
#012050
Primary textHigh emphasis contentDark headings
950
0114
#011432
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F6FF;
  --cobalt-100: #DCE9FE;
  --cobalt-200: #BED6FE;
  --cobalt-300: #8BB7FD;
  --cobalt-400: #4F92FC;
  --cobalt-500: #1D72FC;
  --cobalt-600: #0357DD;
  --cobalt-700: #0345B0;
  --cobalt-800: #02317E;
  --cobalt-900: #012050;
  --cobalt-950: #011432;
}
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