Cobalt

#3741A9

Blue

Color Codes

All color formats for development

HEX
#3741A9
RGB
rgb(55, 65, 169)
HSL
hsl(235, 51%, 44%)
OKLCH
oklch(0.433 0.165 273.1)
CMYK
cmyk(67%, 62%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

8.43:1

AA AAA

On Black Background

2.49:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F4
100
#E4E6
200
#CDD0
300
#A6AB
400
#7880
500
#525B
600
#3741
700
#2C33
800
#1F25
900
#1417
950
#0C0F

Shades

Darker variations

1#313A98
2#2C3488
3#262D77
4#212766
5#1B2055
6#161A44
7#101333
8#0B0D22
9#050611

Tints

Lighter variations

1#3E49BF
2#525CC7
3#6871CE
4#7E85D5
5#9399DC
6#A9AEE3
7#BEC2EA
8#D4D6F1
9#E9EBF8

Tones

Muted variations

1#3D45A4
2#424A9E
3#484F98
4#4E5493
5#54588D
6#595D87
7#5F6281
8#65677C
9#6A6B76

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F4
#F3F4FB
BackgroundsSubtle highlightsCard backgrounds
100
E4E6
#E4E6F6
Light backgroundsTable row hoverSkeleton loading
200
CDD0
#CDD0EF
Secondary backgroundsInput backgroundsDividers
300
A6AB
#A6ABE2
BordersInactive statesPlaceholder text
400
7880
#7880D3
Disabled statesSecondary iconsMuted text
500
525B
#525BC7
Primary brand colorCTAsActive elementsLinks
600
3741
#3741A9
Hover statesFocus ringsPrimary buttons hover
700
2C33
#2C3387
Active/pressed statesDark mode accentsSecondary text
800
1F25
#1F2560
Text on light backgroundsHeadingsStrong borders
900
1417
#14173E
Primary textHigh emphasis contentDark headings
950
0C0F
#0C0F27
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FB;
  --cobalt-100: #E4E6F6;
  --cobalt-200: #CDD0EF;
  --cobalt-300: #A6ABE2;
  --cobalt-400: #7880D3;
  --cobalt-500: #525BC7;
  --cobalt-600: #3741A9;
  --cobalt-700: #2C3387;
  --cobalt-800: #1F2560;
  --cobalt-900: #14173E;
  --cobalt-950: #0C0F27;
}
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