Cobalt

#25428E

Blue

Color Codes

All color formats for development

HEX
#25428E
RGB
rgb(37, 66, 142)
HSL
hsl(223, 59%, 35%)
OKLCH
oklch(0.403 0.131 265.2)
CMYK
cmyk(74%, 54%, 0%, 44%)

Accessibility

WCAG contrast compliance

On White Background

9.34:1

AA AAA

On Black Background

2.25:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E3E9
200
#CAD5
300
#A2B5
400
#718F
500
#496F
600
#2E54
700
#2542
800
#1A2F
900
#111E
950
#0A13

Shades

Darker variations

1#213C80
2#1D3572
3#1A2F63
4#162855
5#122147
6#0F1B39
7#0B142B
8#070D1C
9#04070E

Tints

Lighter variations

1#2B4FA8
2#325BC3
3#476DCF
4#6182D6
5#7B97DD
6#96ACE4
7#B0C1EB
8#CAD5F1
9#E5EAF8

Tones

Muted variations

1#2A4589
2#2F4783
3#34497E
4#3A4C79
5#3F4E74
6#44506E
7#495269
8#4F5564
9#54575F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E9
#E3E9F8
Light backgroundsTable row hoverSkeleton loading
200
CAD5
#CAD5F1
Secondary backgroundsInput backgroundsDividers
300
A2B5
#A2B5E7
BordersInactive statesPlaceholder text
400
718F
#718FDA
Disabled statesSecondary iconsMuted text
500
496F
#496FD0
Primary brand colorCTAsActive elementsLinks
600
2E54
#2E54B2
Hover statesFocus ringsPrimary buttons hover
700
2542
#25428E
Active/pressed statesDark mode accentsSecondary text
800
1A2F
#1A2F65
Text on light backgroundsHeadingsStrong borders
900
111E
#111E41
Primary textHigh emphasis contentDark headings
950
0A13
#0A1329
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FC;
  --cobalt-100: #E3E9F8;
  --cobalt-200: #CAD5F1;
  --cobalt-300: #A2B5E7;
  --cobalt-400: #718FDA;
  --cobalt-500: #496FD0;
  --cobalt-600: #2E54B2;
  --cobalt-700: #25428E;
  --cobalt-800: #1A2F65;
  --cobalt-900: #111E41;
  --cobalt-950: #0A1329;
}
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