Cobalt

#002DB3

Blue

Color Codes

All color formats for development

HEX
#002DB3
RGB
rgb(0, 45, 179)
HSL
hsl(225, 100%, 35%)
OKLCH
oklch(0.389 0.212 263.7)
CMYK
cmyk(100%, 75%, 0%, 30%)

Accessibility

WCAG contrast compliance

On White Background

10.36:1

AA AAA

On Black Background

2.03:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F4
100
#DBE4
200
#BDCD
300
#8AA7
400
#4D79
500
#1A53
600
#0038
700
#002D
800
#0020
900
#0014
950
#000D

Shades

Darker variations

1#0028A1
2#00248F
3#001F7D
4#001B6B
5#001659
6#001247
7#000D36
8#000924
9#000412

Tints

Lighter variations

1#0035D4
2#003DF5
3#1751FF
4#386AFF
5#5983FF
6#7A9CFF
7#9CB4FF
8#BDCDFF
9#DEE6FF

Tones

Muted variations

1#0931AA
2#1236A1
3#1B3A98
4#243E8F
5#2D4386
6#36477D
7#3E4C74
8#47506B
9#505562

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F4
#F0F4FF
BackgroundsSubtle highlightsCard backgrounds
100
DBE4
#DBE4FF
Light backgroundsTable row hoverSkeleton loading
200
BDCD
#BDCDFF
Secondary backgroundsInput backgroundsDividers
300
8AA7
#8AA7FF
BordersInactive statesPlaceholder text
400
4D79
#4D79FF
Disabled statesSecondary iconsMuted text
500
1A53
#1A53FF
Primary brand colorCTAsActive elementsLinks
600
0038
#0038E0
Hover statesFocus ringsPrimary buttons hover
700
002D
#002DB3
Active/pressed statesDark mode accentsSecondary text
800
0020
#002080
Text on light backgroundsHeadingsStrong borders
900
0014
#001452
Primary textHigh emphasis contentDark headings
950
000D
#000D33
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F4FF;
  --cobalt-100: #DBE4FF;
  --cobalt-200: #BDCDFF;
  --cobalt-300: #8AA7FF;
  --cobalt-400: #4D79FF;
  --cobalt-500: #1A53FF;
  --cobalt-600: #0038E0;
  --cobalt-700: #002DB3;
  --cobalt-800: #002080;
  --cobalt-900: #001452;
  --cobalt-950: #000D33;
}
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