Cobalt

#2143C0

Blue

Color Codes

All color formats for development

HEX
#2143C0
RGB
rgb(33, 67, 192)
HSL
hsl(227, 71%, 44%)
OKLCH
oklch(0.447 0.199 266.1)
CMYK
cmyk(83%, 65%, 0%, 25%)

Accessibility

WCAG contrast compliance

On White Background

7.99:1

AA AAA

On Black Background

2.63:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F4
100
#E0E6
200
#C6D1
300
#9BAD
400
#6682
500
#3B5E
600
#2143
700
#1A35
800
#1226
900
#0C18
950
#070F

Shades

Darker variations

1#1D3CAD
2#1A3699
3#172F86
4#142873
5#102260
6#0D1B4D
7#0A143A
8#070D26
9#030713

Tints

Lighter variations

1#254CD8
2#3C5FDE
3#5473E2
4#6C87E6
5#859BEA
6#9DAFEE
7#B6C3F3
8#CED7F7
9#E7EBFB

Tones

Muted variations

1#2948B8
2#304CB0
3#3851A8
4#4055A0
5#485A98
6#505E90
7#586388
8#606780
9#686C78

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F4
#F2F4FD
BackgroundsSubtle highlightsCard backgrounds
100
E0E6
#E0E6FA
Light backgroundsTable row hoverSkeleton loading
200
C6D1
#C6D1F5
Secondary backgroundsInput backgroundsDividers
300
9BAD
#9BADEE
BordersInactive statesPlaceholder text
400
6682
#6682E5
Disabled statesSecondary iconsMuted text
500
3B5E
#3B5EDE
Primary brand colorCTAsActive elementsLinks
600
2143
#2143C0
Hover statesFocus ringsPrimary buttons hover
700
1A35
#1A3599
Active/pressed statesDark mode accentsSecondary text
800
1226
#12266D
Text on light backgroundsHeadingsStrong borders
900
0C18
#0C1846
Primary textHigh emphasis contentDark headings
950
070F
#070F2C
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F4FD;
  --cobalt-100: #E0E6FA;
  --cobalt-200: #C6D1F5;
  --cobalt-300: #9BADEE;
  --cobalt-400: #6682E5;
  --cobalt-500: #3B5EDE;
  --cobalt-600: #2143C0;
  --cobalt-700: #1A3599;
  --cobalt-800: #12266D;
  --cobalt-900: #0C1846;
  --cobalt-950: #070F2C;
}
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