Cobalt

#2A4BB7

Blue

Color Codes

All color formats for development

HEX
#2A4BB7
RGB
rgb(42, 75, 183)
HSL
hsl(226, 63%, 44%)
OKLCH
oklch(0.457 0.175 266.4)
CMYK
cmyk(77%, 59%, 0%, 28%)

Accessibility

WCAG contrast compliance

On White Background

7.53:1

AA AAA

On Black Background

2.79:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E2E7
200
#C9D3
300
#9FB1
400
#6E88
500
#4466
600
#2A4B
700
#213B
800
#182A
900
#0F1B
950
#0911

Shades

Darker variations

1#2543A5
2#213C92
3#1D3480
4#192D6E
5#15255B
6#111E49
7#0C1637
8#080F25
9#040712

Tints

Lighter variations

1#2F54CE
2#4566D5
3#5C79DA
4#738DDF
5#8BA0E5
6#A2B3EA
7#B9C6EF
8#D0D9F4
9#E8ECFA

Tones

Muted variations

1#314EB0
2#3852A9
3#3F56A2
4#465A9B
5#4D5D94
6#54618C
7#5B6585
8#62697E
9#696C77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E7
#E2E7F8
Light backgroundsTable row hoverSkeleton loading
200
C9D3
#C9D3F3
Secondary backgroundsInput backgroundsDividers
300
9FB1
#9FB1E9
BordersInactive statesPlaceholder text
400
6E88
#6E88DE
Disabled statesSecondary iconsMuted text
500
4466
#4466D5
Primary brand colorCTAsActive elementsLinks
600
2A4B
#2A4BB7
Hover statesFocus ringsPrimary buttons hover
700
213B
#213B91
Active/pressed statesDark mode accentsSecondary text
800
182A
#182A68
Text on light backgroundsHeadingsStrong borders
900
0F1B
#0F1B43
Primary textHigh emphasis contentDark headings
950
0911
#09112A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FC;
  --cobalt-100: #E2E7F8;
  --cobalt-200: #C9D3F3;
  --cobalt-300: #9FB1E9;
  --cobalt-400: #6E88DE;
  --cobalt-500: #4466D5;
  --cobalt-600: #2A4BB7;
  --cobalt-700: #213B91;
  --cobalt-800: #182A68;
  --cobalt-900: #0F1B43;
  --cobalt-950: #09112A;
}
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