Cobalt

#3148AF

Blue

Color Codes

All color formats for development

HEX
#3148AF
RGB
rgb(49, 72, 175)
HSL
hsl(229, 56%, 44%)
OKLCH
oklch(0.448 0.166 269)
CMYK
cmyk(72%, 59%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

7.85:1

AA AAA

On Black Background

2.68:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E3E7
200
#CBD2
300
#A4B0
400
#7486
500
#4C64
600
#3148
700
#273A
800
#1C29
900
#121A
950
#0B10

Shades

Darker variations

1#2C419E
2#273A8C
3#23337B
4#1E2B69
5#192458
6#141D46
7#0F1635
8#0A0E23
9#050712

Tints

Lighter variations

1#3852C5
2#4D64CD
3#6378D3
4#798BD9
5#909EE0
6#A6B2E6
7#BCC5EC
8#D2D8F2
9#E9ECF9

Tones

Muted variations

1#384CA9
2#3E50A2
3#44549C
4#4B5896
5#515C90
6#576089
7#5D6483
8#64687D
9#6A6C76

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E7
#E3E7F7
Light backgroundsTable row hoverSkeleton loading
200
CBD2
#CBD2F0
Secondary backgroundsInput backgroundsDividers
300
A4B0
#A4B0E5
BordersInactive statesPlaceholder text
400
7486
#7486D8
Disabled statesSecondary iconsMuted text
500
4C64
#4C64CD
Primary brand colorCTAsActive elementsLinks
600
3148
#3148AF
Hover statesFocus ringsPrimary buttons hover
700
273A
#273A8B
Active/pressed statesDark mode accentsSecondary text
800
1C29
#1C2963
Text on light backgroundsHeadingsStrong borders
900
121A
#121A40
Primary textHigh emphasis contentDark headings
950
0B10
#0B1028
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FC;
  --cobalt-100: #E3E7F7;
  --cobalt-200: #CBD2F0;
  --cobalt-300: #A4B0E5;
  --cobalt-400: #7486D8;
  --cobalt-500: #4C64CD;
  --cobalt-600: #3148AF;
  --cobalt-700: #273A8B;
  --cobalt-800: #1C2963;
  --cobalt-900: #121A40;
  --cobalt-950: #0B1028;
}
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