Cobalt

#034E7D

Blue

Color Codes

All color formats for development

HEX
#034E7D
RGB
rgb(3, 78, 125)
HSL
hsl(203, 95%, 25%)
OKLCH
oklch(0.41 0.101 245)
CMYK
cmyk(98%, 38%, 0%, 51%)

Accessibility

WCAG contrast compliance

On White Background

8.79:1

AA AAA

On Black Background

2.39:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F9
100
#DCF1
200
#BEE5
300
#8DD1
400
#51BA
500
#1FA6
600
#0689
700
#046D
800
#034E
900
#0232
950
#011F

Shades

Darker variations

1#034670
2#033E63
3#023757
4#022F4B
5#02273E
6#011F32
7#011725
8#011019
9#00080C

Tints

Lighter variations

1#0465A2
2#057DC7
3#0694EC
4#1FA6F9
5#45B5FA
6#6AC3FB
7#8FD2FC
8#B4E1FD
9#DAF0FE

Tones

Muted variations

1#094C76
2#0F4B70
3#154A6A
4#1B4864
5#21475E
6#284558
7#2E4452
8#34434C
9#3A4146

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F9
#F0F9FF
BackgroundsSubtle highlightsCard backgrounds
100
DCF1
#DCF1FE
Light backgroundsTable row hoverSkeleton loading
200
BEE5
#BEE5FD
Secondary backgroundsInput backgroundsDividers
300
8DD1
#8DD1FC
BordersInactive statesPlaceholder text
400
51BA
#51BAFB
Disabled statesSecondary iconsMuted text
500
1FA6
#1FA6F9
Primary brand colorCTAsActive elementsLinks
600
0689
#0689DB
Hover statesFocus ringsPrimary buttons hover
700
046D
#046DAE
Active/pressed statesDark mode accentsSecondary text
800
034E
#034E7C
Text on light backgroundsHeadingsStrong borders
900
0232
#023250
Primary textHigh emphasis contentDark headings
950
011F
#011F32
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F9FF;
  --cobalt-100: #DCF1FE;
  --cobalt-200: #BEE5FD;
  --cobalt-300: #8DD1FC;
  --cobalt-400: #51BAFB;
  --cobalt-500: #1FA6F9;
  --cobalt-600: #0689DB;
  --cobalt-700: #046DAE;
  --cobalt-800: #034E7C;
  --cobalt-900: #023250;
  --cobalt-950: #011F32;
}
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