Cobalt

#0B59D5

Blue

Color Codes

All color formats for development

HEX
#0B59D5
RGB
rgb(11, 89, 213)
HSL
hsl(217, 90%, 44%)
OKLCH
oklch(0.503 0.203 260.6)
CMYK
cmyk(95%, 58%, 0%, 16%)

Accessibility

WCAG contrast compliance

On White Background

6.17:1

AA AAA

On Black Background

3.40:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F6
100
#DDE9
200
#C0D7
300
#90B8
400
#5593
500
#2574
600
#0B59
700
#0947
800
#0632
900
#0420
950
#0314

Shades

Darker variations

1#0A50C0
2#0947AB
3#083E95
4#073580
5#062C6B
6#042355
7#031B40
8#02122B
9#010915

Tints

Lighter variations

1#0D64F0
2#2675F4
3#4186F5
4#5C97F6
5#77A9F8
6#92BAF9
7#AECBFB
8#C9DCFC
9#E4EEFE

Tones

Muted variations

1#155BCB
2#1F5DC1
3#2A60B7
4#3462AD
5#3E64A3
6#486799
7#52698E
8#5C6B84
9#666E7A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F6
#F0F6FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE9
#DDE9FD
Light backgroundsTable row hoverSkeleton loading
200
C0D7
#C0D7FC
Secondary backgroundsInput backgroundsDividers
300
90B8
#90B8F9
BordersInactive statesPlaceholder text
400
5593
#5593F6
Disabled statesSecondary iconsMuted text
500
2574
#2574F4
Primary brand colorCTAsActive elementsLinks
600
0B59
#0B59D5
Hover statesFocus ringsPrimary buttons hover
700
0947
#0947AA
Active/pressed statesDark mode accentsSecondary text
800
0632
#063279
Text on light backgroundsHeadingsStrong borders
900
0420
#04204E
Primary textHigh emphasis contentDark headings
950
0314
#031430
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F6FE;
  --cobalt-100: #DDE9FD;
  --cobalt-200: #C0D7FC;
  --cobalt-300: #90B8F9;
  --cobalt-400: #5593F6;
  --cobalt-500: #2574F4;
  --cobalt-600: #0B59D5;
  --cobalt-700: #0947AA;
  --cobalt-800: #063279;
  --cobalt-900: #04204E;
  --cobalt-950: #031430;
}
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