Cobalt

#2E4FB2

Blue

Color Codes

All color formats for development

HEX
#2E4FB2
RGB
rgb(46, 79, 178)
HSL
hsl(225, 59%, 44%)
OKLCH
oklch(0.463 0.162 266.2)
CMYK
cmyk(74%, 56%, 0%, 30%)

Accessibility

WCAG contrast compliance

On White Background

7.30:1

AA AAA

On Black Background

2.88:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E3E8
200
#CAD4
300
#A2B3
400
#718B
500
#496A
600
#2E4F
700
#253F
800
#1A2D
900
#111D
950
#0A12

Shades

Darker variations

1#2947A1
2#253F8F
3#20377D
4#1C2F6B
5#172859
6#122047
7#0E1836
8#091024
9#050812

Tints

Lighter variations

1#3459C9
2#496BD0
3#607ED6
4#7790DC
5#8DA3E2
6#A4B5E8
7#BBC8ED
8#D2DAF3
9#E8EDF9

Tones

Muted variations

1#3552AC
2#3B56A5
3#42599F
4#485C98
5#4F6091
6#56638B
7#5C6684
8#636A7D
9#6A6D77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E8
#E3E8F8
Light backgroundsTable row hoverSkeleton loading
200
CAD4
#CAD4F1
Secondary backgroundsInput backgroundsDividers
300
A2B3
#A2B3E7
BordersInactive statesPlaceholder text
400
718B
#718BDA
Disabled statesSecondary iconsMuted text
500
496A
#496AD0
Primary brand colorCTAsActive elementsLinks
600
2E4F
#2E4FB2
Hover statesFocus ringsPrimary buttons hover
700
253F
#253F8E
Active/pressed statesDark mode accentsSecondary text
800
1A2D
#1A2D65
Text on light backgroundsHeadingsStrong borders
900
111D
#111D41
Primary textHigh emphasis contentDark headings
950
0A12
#0A1229
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FC;
  --cobalt-100: #E3E8F8;
  --cobalt-200: #CAD4F1;
  --cobalt-300: #A2B3E7;
  --cobalt-400: #718BDA;
  --cobalt-500: #496AD0;
  --cobalt-600: #2E4FB2;
  --cobalt-700: #253F8E;
  --cobalt-800: #1A2D65;
  --cobalt-900: #111D41;
  --cobalt-950: #0A1229;
}
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