Cobalt

#0B34D5

Blue

Color Codes

All color formats for development

HEX
#0B34D5
RGB
rgb(11, 52, 213)
HSL
hsl(228, 90%, 44%)
OKLCH
oklch(0.439 0.243 264.7)
CMYK
cmyk(95%, 76%, 0%, 16%)

Accessibility

WCAG contrast compliance

On White Background

8.51:1

AA AAA

On Black Background

2.47:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F3
100
#DDE4
200
#C0CC
300
#90A5
400
#5576
500
#254E
600
#0B34
700
#0929
800
#061D
900
#0413
950
#030C

Shades

Darker variations

1#0A2EC0
2#0929AB
3#082495
4#071F80
5#061A6B
6#041555
7#030F40
8#020A2B
9#010515

Tints

Lighter variations

1#0D3AF0
2#264FF4
3#4165F5
4#5C7BF6
5#7791F8
6#92A7F9
7#AEBDFB
8#C9D3FC
9#E4E9FE

Tones

Muted variations

1#153ACB
2#1F40C1
3#2A46B7
4#344CAD
5#3E52A3
6#485899
7#525E8E
8#5C6484
9#666A7A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F3
#F0F3FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE4
#DDE4FD
Light backgroundsTable row hoverSkeleton loading
200
C0CC
#C0CCFC
Secondary backgroundsInput backgroundsDividers
300
90A5
#90A5F9
BordersInactive statesPlaceholder text
400
5576
#5576F6
Disabled statesSecondary iconsMuted text
500
254E
#254EF4
Primary brand colorCTAsActive elementsLinks
600
0B34
#0B34D5
Hover statesFocus ringsPrimary buttons hover
700
0929
#0929AA
Active/pressed statesDark mode accentsSecondary text
800
061D
#061D79
Text on light backgroundsHeadingsStrong borders
900
0413
#04134E
Primary textHigh emphasis contentDark headings
950
030C
#030C30
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F3FE;
  --cobalt-100: #DDE4FD;
  --cobalt-200: #C0CCFC;
  --cobalt-300: #90A5F9;
  --cobalt-400: #5576F6;
  --cobalt-500: #254EF4;
  --cobalt-600: #0B34D5;
  --cobalt-700: #0929AA;
  --cobalt-800: #061D79;
  --cobalt-900: #04134E;
  --cobalt-950: #030C30;
}
Generate More ShadesCreate PaletteConvert Color