Cobalt

#3F44A2

Blue

Color Codes

All color formats for development

HEX
#3F44A2
RGB
rgb(63, 68, 162)
HSL
hsl(237, 44%, 44%)
OKLCH
oklch(0.438 0.149 276)
CMYK
cmyk(61%, 58%, 0%, 36%)

Accessibility

WCAG contrast compliance

On White Background

8.20:1

AA AAA

On Black Background

2.56:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F4
100
#E5E6
200
#CFD1
300
#ABAD
400
#7E82
500
#5A5F
600
#3F44
700
#3236
800
#2427
900
#1719
950
#0E0F

Shades

Darker variations

1#393D91
2#323681
3#2C2F71
4#262961
5#1F2251
6#191B41
7#131430
8#0D0E20
9#060710

Tints

Lighter variations

1#474CB6
2#5A60BF
3#6F73C7
4#8487CF
5#989BD7
6#ADAFDF
7#C1C3E7
8#D6D7EF
9#EAEBF7

Tones

Muted variations

1#44489D
2#494D98
3#4E5193
4#53568E
5#585A89
6#5C5E84
7#61637F
8#66677A
9#6B6C75

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F4
#F4F4FB
BackgroundsSubtle highlightsCard backgrounds
100
E5E6
#E5E6F5
Light backgroundsTable row hoverSkeleton loading
200
CFD1
#CFD1EC
Secondary backgroundsInput backgroundsDividers
300
ABAD
#ABADDE
BordersInactive statesPlaceholder text
400
7E82
#7E82CD
Disabled statesSecondary iconsMuted text
500
5A5F
#5A5FBF
Primary brand colorCTAsActive elementsLinks
600
3F44
#3F44A2
Hover statesFocus ringsPrimary buttons hover
700
3236
#323681
Active/pressed statesDark mode accentsSecondary text
800
2427
#24275C
Text on light backgroundsHeadingsStrong borders
900
1719
#17193B
Primary textHigh emphasis contentDark headings
950
0E0F
#0E0F25
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F4F4FB;
  --cobalt-100: #E5E6F5;
  --cobalt-200: #CFD1EC;
  --cobalt-300: #ABADDE;
  --cobalt-400: #7E82CD;
  --cobalt-500: #5A5FBF;
  --cobalt-600: #3F44A2;
  --cobalt-700: #323681;
  --cobalt-800: #24275C;
  --cobalt-900: #17193B;
  --cobalt-950: #0E0F25;
}
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