Cobalt

#0059B3

Blue

Color Codes

All color formats for development

HEX
#0059B3
RGB
rgb(0, 89, 179)
HSL
hsl(210, 100%, 35%)
OKLCH
oklch(0.474 0.16 255.7)
CMYK
cmyk(100%, 50%, 0%, 30%)

Accessibility

WCAG contrast compliance

On White Background

6.82:1

AA AAA

On Black Background

3.08:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F7
100
#DBED
200
#BDDE
300
#8AC4
400
#4DA6
500
#1A8C
600
#0070
700
#0059
800
#0040
900
#0029
950
#001A

Shades

Darker variations

1#0050A1
2#00478F
3#003E7D
4#00366B
5#002D59
6#002447
7#001B36
8#001224
9#000912

Tints

Lighter variations

1#006AD4
2#007AF5
3#178BFF
4#389CFF
5#59ACFF
6#7ABDFF
7#9CCDFF
8#BDDEFF
9#DEEEFF

Tones

Muted variations

1#0959AA
2#1259A1
3#1B5998
4#24598F
5#2D5986
6#36597D
7#3E5974
8#47596B
9#505962

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F7
#F0F7FF
BackgroundsSubtle highlightsCard backgrounds
100
DBED
#DBEDFF
Light backgroundsTable row hoverSkeleton loading
200
BDDE
#BDDEFF
Secondary backgroundsInput backgroundsDividers
300
8AC4
#8AC4FF
BordersInactive statesPlaceholder text
400
4DA6
#4DA6FF
Disabled statesSecondary iconsMuted text
500
1A8C
#1A8CFF
Primary brand colorCTAsActive elementsLinks
600
0070
#0070E0
Hover statesFocus ringsPrimary buttons hover
700
0059
#0059B3
Active/pressed statesDark mode accentsSecondary text
800
0040
#004080
Text on light backgroundsHeadingsStrong borders
900
0029
#002952
Primary textHigh emphasis contentDark headings
950
001A
#001A33
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F7FF;
  --cobalt-100: #DBEDFF;
  --cobalt-200: #BDDEFF;
  --cobalt-300: #8AC4FF;
  --cobalt-400: #4DA6FF;
  --cobalt-500: #1A8CFF;
  --cobalt-600: #0070E0;
  --cobalt-700: #0059B3;
  --cobalt-800: #004080;
  --cobalt-900: #002952;
  --cobalt-950: #001A33;
}
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