Cobalt

#3748A9

Blue

Color Codes

All color formats for development

HEX
#3748A9
RGB
rgb(55, 72, 169)
HSL
hsl(231, 51%, 44%)
OKLCH
oklch(0.446 0.156 271.1)
CMYK
cmyk(67%, 57%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

7.89:1

AA AAA

On Black Background

2.66:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E4E7
200
#CDD2
300
#A6AF
400
#7886
500
#5263
600
#3748
700
#2C39
800
#1F29
900
#141A
950
#0C10

Shades

Darker variations

1#314198
2#2C3A88
3#263377
4#212B66
5#1B2455
6#161D44
7#101633
8#0B0E22
9#050711

Tints

Lighter variations

1#3E51BF
2#5264C7
3#6877CE
4#7E8BD5
5#939EDC
6#A9B1E3
7#BEC5EA
8#D4D8F1
9#E9ECF8

Tones

Muted variations

1#3D4CA4
2#42509E
3#485498
4#4E5893
5#545C8D
6#596087
7#5F6481
8#65687C
9#6A6C76

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FB
BackgroundsSubtle highlightsCard backgrounds
100
E4E7
#E4E7F6
Light backgroundsTable row hoverSkeleton loading
200
CDD2
#CDD2EF
Secondary backgroundsInput backgroundsDividers
300
A6AF
#A6AFE2
BordersInactive statesPlaceholder text
400
7886
#7886D3
Disabled statesSecondary iconsMuted text
500
5263
#5263C7
Primary brand colorCTAsActive elementsLinks
600
3748
#3748A9
Hover statesFocus ringsPrimary buttons hover
700
2C39
#2C3987
Active/pressed statesDark mode accentsSecondary text
800
1F29
#1F2960
Text on light backgroundsHeadingsStrong borders
900
141A
#141A3E
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: #F3F5FB;
  --cobalt-100: #E4E7F6;
  --cobalt-200: #CDD2EF;
  --cobalt-300: #A6AFE2;
  --cobalt-400: #7886D3;
  --cobalt-500: #5263C7;
  --cobalt-600: #3748A9;
  --cobalt-700: #2C3987;
  --cobalt-800: #1F2960;
  --cobalt-900: #141A3E;
  --cobalt-950: #0C1027;
}
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