Cobalt

#003980

Blue

Color Codes

All color formats for development

HEX
#003980
RGB
rgb(0, 57, 128)
HSL
hsl(213, 100%, 25%)
OKLCH
oklch(0.36 0.132 257.7)
CMYK
cmyk(100%, 55%, 0%, 50%)

Accessibility

WCAG contrast compliance

On White Background

11.07:1

AA AAA

On Black Background

1.90:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F7
100
#DBEB
200
#BDDB
300
#8ABE
400
#4D9D
500
#1A81
600
#0065
700
#0050
800
#0039
900
#0025
950
#0017

Shades

Darker variations

1#003473
2#002E66
3#002859
4#00224D
5#001D40
6#001733
7#001126
8#000B1A
9#00060D

Tints

Lighter variations

1#004BA6
2#005CCC
3#006DF2
4#1A81FF
5#4096FF
6#66ABFF
7#8CC0FF
8#B3D5FF
9#D9EAFF

Tones

Muted variations

1#063A79
2#0D3B73
3#133B6C
4#193C66
5#203D60
6#263D59
7#2D3E53
8#333E4D
9#393F46

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F7
#F0F7FF
BackgroundsSubtle highlightsCard backgrounds
100
DBEB
#DBEBFF
Light backgroundsTable row hoverSkeleton loading
200
BDDB
#BDDBFF
Secondary backgroundsInput backgroundsDividers
300
8ABE
#8ABEFF
BordersInactive statesPlaceholder text
400
4D9D
#4D9DFF
Disabled statesSecondary iconsMuted text
500
1A81
#1A81FF
Primary brand colorCTAsActive elementsLinks
600
0065
#0065E0
Hover statesFocus ringsPrimary buttons hover
700
0050
#0050B3
Active/pressed statesDark mode accentsSecondary text
800
0039
#003980
Text on light backgroundsHeadingsStrong borders
900
0025
#002552
Primary textHigh emphasis contentDark headings
950
0017
#001733
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F7FF;
  --cobalt-100: #DBEBFF;
  --cobalt-200: #BDDBFF;
  --cobalt-300: #8ABEFF;
  --cobalt-400: #4D9DFF;
  --cobalt-500: #1A81FF;
  --cobalt-600: #0065E0;
  --cobalt-700: #0050B3;
  --cobalt-800: #003980;
  --cobalt-900: #002552;
  --cobalt-950: #001733;
}
Generate More ShadesCreate PaletteConvert Color