Cobalt

#1B4998

Blue

Color Codes

All color formats for development

HEX
#1B4998
RGB
rgb(27, 73, 152)
HSL
hsl(218, 70%, 35%)
OKLCH
oklch(0.422 0.139 260.5)
CMYK
cmyk(82%, 52%, 0%, 40%)

Accessibility

WCAG contrast compliance

On White Background

8.56:1

AA AAA

On Black Background

2.45:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F6
100
#E1EA
200
#C7D8
300
#9BB9
400
#6795
500
#3C77
600
#225B
700
#1B49
800
#1334
900
#0C21
950
#0815

Shades

Darker variations

1#184189
2#153A79
3#13336A
4#102C5B
5#0D244C
6#0B1D3D
7#08162E
8#050F1E
9#03070F

Tints

Lighter variations

1#2056B4
2#2564D0
3#3A75DC
4#5689E1
5#729DE6
6#8EB0EB
7#AAC4F0
8#C7D8F5
9#E3EBFA

Tones

Muted variations

1#214A91
2#274C8B
3#2E4E85
4#344F7F
5#3A5178
6#405372
7#47546C
8#4D5666
9#53585F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F6
#F2F6FD
BackgroundsSubtle highlightsCard backgrounds
100
E1EA
#E1EAFA
Light backgroundsTable row hoverSkeleton loading
200
C7D8
#C7D8F5
Secondary backgroundsInput backgroundsDividers
300
9BB9
#9BB9ED
BordersInactive statesPlaceholder text
400
6795
#6795E4
Disabled statesSecondary iconsMuted text
500
3C77
#3C77DD
Primary brand colorCTAsActive elementsLinks
600
225B
#225BBF
Hover statesFocus ringsPrimary buttons hover
700
1B49
#1B4998
Active/pressed statesDark mode accentsSecondary text
800
1334
#13346C
Text on light backgroundsHeadingsStrong borders
900
0C21
#0C2145
Primary textHigh emphasis contentDark headings
950
0815
#08152B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F6FD;
  --cobalt-100: #E1EAFA;
  --cobalt-200: #C7D8F5;
  --cobalt-300: #9BB9ED;
  --cobalt-400: #6795E4;
  --cobalt-500: #3C77DD;
  --cobalt-600: #225BBF;
  --cobalt-700: #1B4998;
  --cobalt-800: #13346C;
  --cobalt-900: #0C2145;
  --cobalt-950: #08152B;
}
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