Cobalt

#3133AF

Blue

Color Codes

All color formats for development

HEX
#3133AF
RGB
rgb(49, 51, 175)
HSL
hsl(239, 56%, 44%)
OKLCH
oklch(0.411 0.191 273.4)
CMYK
cmyk(72%, 71%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

9.45:1

AA AAA

On Black Background

2.22:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F3
100
#E3E3
200
#CBCC
300
#A4A5
400
#7475
500
#4C4E
600
#3133
700
#2729
800
#1C1D
900
#1213
950
#0B0C

Shades

Darker variations

1#2C2E9E
2#27298C
3#23247B
4#1E1F69
5#191A58
6#141546
7#0F0F35
8#0A0A23
9#050512

Tints

Lighter variations

1#383AC5
2#4D4FCD
3#6365D3
4#797BD9
5#9091E0
6#A6A7E6
7#BCBDEC
8#D2D3F2
9#E9E9F9

Tones

Muted variations

1#383AA9
2#3E40A2
3#44469C
4#4B4C96
5#515290
6#575889
7#5D5E83
8#64647D
9#6A6A76

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F3
#F3F3FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E3
#E3E3F7
Light backgroundsTable row hoverSkeleton loading
200
CBCC
#CBCCF0
Secondary backgroundsInput backgroundsDividers
300
A4A5
#A4A5E5
BordersInactive statesPlaceholder text
400
7475
#7475D8
Disabled statesSecondary iconsMuted text
500
4C4E
#4C4ECD
Primary brand colorCTAsActive elementsLinks
600
3133
#3133AF
Hover statesFocus ringsPrimary buttons hover
700
2729
#27298B
Active/pressed statesDark mode accentsSecondary text
800
1C1D
#1C1D63
Text on light backgroundsHeadingsStrong borders
900
1213
#121340
Primary textHigh emphasis contentDark headings
950
0B0C
#0B0C28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F3FC;
  --cobalt-100: #E3E3F7;
  --cobalt-200: #CBCCF0;
  --cobalt-300: #A4A5E5;
  --cobalt-400: #7475D8;
  --cobalt-500: #4C4ECD;
  --cobalt-600: #3133AF;
  --cobalt-700: #27298B;
  --cobalt-800: #1C1D63;
  --cobalt-900: #121340;
  --cobalt-950: #0B0C28;
}
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