Cobalt

#3744A9

Blue

Color Codes

All color formats for development

HEX
#3744A9
RGB
rgb(55, 68, 169)
HSL
hsl(233, 51%, 44%)
OKLCH
oklch(0.439 0.161 272.3)
CMYK
cmyk(67%, 60%, 0%, 34%)

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
#F3F4
100
#E4E6
200
#CDD1
300
#A6AD
400
#7883
500
#525F
600
#3744
700
#2C36
800
#1F27
900
#1419
950
#0C10

Shades

Darker variations

1#313D98
2#2C3788
3#263077
4#212966
5#1B2255
6#161B44
7#101433
8#0B0E22
9#050711

Tints

Lighter variations

1#3E4DBF
2#5260C7
3#6874CE
4#7E88D5
5#939CDC
6#A9B0E3
7#BEC3EA
8#D4D7F1
9#E9EBF8

Tones

Muted variations

1#3D49A4
2#424D9E
3#485198
4#4E5693
5#545A8D
6#595F87
7#5F6381
8#65677C
9#6A6C76

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
CDD1
#CDD1EF
Secondary backgroundsInput backgroundsDividers
300
A6AD
#A6ADE2
BordersInactive statesPlaceholder text
400
7883
#7883D3
Disabled statesSecondary iconsMuted text
500
525F
#525FC7
Primary brand colorCTAsActive elementsLinks
600
3744
#3744A9
Hover statesFocus ringsPrimary buttons hover
700
2C36
#2C3687
Active/pressed statesDark mode accentsSecondary text
800
1F27
#1F2760
Text on light backgroundsHeadingsStrong borders
900
1419
#14193E
Primary textHigh emphasis contentDark headings
950
0C10
#0C1027
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FB;
  --cobalt-100: #E4E6F6;
  --cobalt-200: #CDD1EF;
  --cobalt-300: #A6ADE2;
  --cobalt-400: #7883D3;
  --cobalt-500: #525FC7;
  --cobalt-600: #3744A9;
  --cobalt-700: #2C3687;
  --cobalt-800: #1F2760;
  --cobalt-900: #14193E;
  --cobalt-950: #0C1027;
}
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