Cobalt

#0041B3

Blue

Color Codes

All color formats for development

HEX
#0041B3
RGB
rgb(0, 65, 179)
HSL
hsl(218, 100%, 35%)
OKLCH
oklch(0.424 0.19 261.5)
CMYK
cmyk(100%, 64%, 0%, 30%)

Accessibility

WCAG contrast compliance

On White Background

8.72:1

AA AAA

On Black Background

2.41:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F5
100
#DBE8
200
#BDD5
300
#8AB5
400
#4D8E
500
#1A6E
600
#0052
700
#0041
800
#002F
900
#001E
950
#0013

Shades

Darker variations

1#003BA1
2#00348F
3#002E7D
4#00276B
5#002159
6#001A47
7#001436
8#000D24
9#000712

Tints

Lighter variations

1#004ED4
2#005AF5
3#176CFF
4#3881FF
5#5996FF
6#7AABFF
7#9CC0FF
8#BDD5FF
9#DEEAFF

Tones

Muted variations

1#0944AA
2#1246A1
3#1B4998
4#244B8F
5#2D4D86
6#36507D
7#3E5274
8#47546B
9#505762

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F5
#F0F5FF
BackgroundsSubtle highlightsCard backgrounds
100
DBE8
#DBE8FF
Light backgroundsTable row hoverSkeleton loading
200
BDD5
#BDD5FF
Secondary backgroundsInput backgroundsDividers
300
8AB5
#8AB5FF
BordersInactive statesPlaceholder text
400
4D8E
#4D8EFF
Disabled statesSecondary iconsMuted text
500
1A6E
#1A6EFF
Primary brand colorCTAsActive elementsLinks
600
0052
#0052E0
Hover statesFocus ringsPrimary buttons hover
700
0041
#0041B3
Active/pressed statesDark mode accentsSecondary text
800
002F
#002F80
Text on light backgroundsHeadingsStrong borders
900
001E
#001E52
Primary textHigh emphasis contentDark headings
950
0013
#001333
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F5FF;
  --cobalt-100: #DBE8FF;
  --cobalt-200: #BDD5FF;
  --cobalt-300: #8AB5FF;
  --cobalt-400: #4D8EFF;
  --cobalt-500: #1A6EFF;
  --cobalt-600: #0052E0;
  --cobalt-700: #0041B3;
  --cobalt-800: #002F80;
  --cobalt-900: #001E52;
  --cobalt-950: #001333;
}
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