Cobalt

#1B4EC5

Blue

Color Codes

All color formats for development

HEX
#1B4EC5
RGB
rgb(27, 78, 197)
HSL
hsl(222, 76%, 44%)
OKLCH
oklch(0.47 0.193 263.3)
CMYK
cmyk(86%, 60%, 0%, 23%)

Accessibility

WCAG contrast compliance

On White Background

7.14:1

AA AAA

On Black Background

2.94:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E0E8
200
#C5D4
300
#98B3
400
#628B
500
#3569
600
#1B4E
700
#153E
800
#0F2C
900
#0A1C
950
#0612

Shades

Darker variations

1#1846B2
2#163E9E
3#13378A
4#102F76
5#0D2763
6#0B1F4F
7#08173B
8#051027
9#030814

Tints

Lighter variations

1#1E58DF
2#366AE4
3#4F7DE7
4#688FEA
5#81A2EE
6#9AB5F1
7#B4C7F5
8#CDDAF8
9#E6ECFC

Tones

Muted variations

1#2352BD
2#2C55B4
3#3558AC
4#3D5CA3
5#465F9B
6#4E6392
7#57668A
8#5F6981
9#686D79

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FD
BackgroundsSubtle highlightsCard backgrounds
100
E0E8
#E0E8FB
Light backgroundsTable row hoverSkeleton loading
200
C5D4
#C5D4F7
Secondary backgroundsInput backgroundsDividers
300
98B3
#98B3F1
BordersInactive statesPlaceholder text
400
628B
#628BEA
Disabled statesSecondary iconsMuted text
500
3569
#3569E3
Primary brand colorCTAsActive elementsLinks
600
1B4E
#1B4EC5
Hover statesFocus ringsPrimary buttons hover
700
153E
#153E9D
Active/pressed statesDark mode accentsSecondary text
800
0F2C
#0F2C70
Text on light backgroundsHeadingsStrong borders
900
0A1C
#0A1C48
Primary textHigh emphasis contentDark headings
950
0612
#06122D
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F5FD;
  --cobalt-100: #E0E8FB;
  --cobalt-200: #C5D4F7;
  --cobalt-300: #98B3F1;
  --cobalt-400: #628BEA;
  --cobalt-500: #3569E3;
  --cobalt-600: #1B4EC5;
  --cobalt-700: #153E9D;
  --cobalt-800: #0F2C70;
  --cobalt-900: #0A1C48;
  --cobalt-950: #06122D;
}
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