Cobalt

#0B4FA8

Blue

Color Codes

All color formats for development

HEX
#0B4FA8
RGB
rgb(11, 79, 168)
HSL
hsl(214, 88%, 35%)
OKLCH
oklch(0.445 0.157 258.2)
CMYK
cmyk(93%, 53%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

7.78:1

AA AAA

On Black Background

2.70:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F6
100
#DDEB
200
#C1DA
300
#91BD
400
#579B
500
#277F
600
#0D63
700
#0B4F
800
#0838
900
#0524
950
#0317

Shades

Darker variations

1#0A4797
2#093F86
3#073775
4#062F65
5#052754
6#042043
7#031832
8#021022
9#010811

Tints

Lighter variations

1#0D5DC7
2#0F6CE6
3#257DF1
4#4490F3
5#63A2F5
6#82B5F7
7#A2C7F9
8#C1DAFB
9#E0ECFD

Tones

Muted variations

1#1350A0
2#1A5198
3#225290
4#2A5388
5#325481
6#3A5579
7#425671
8#4A5769
9#515861

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F6
#F1F6FE
BackgroundsSubtle highlightsCard backgrounds
100
DDEB
#DDEBFD
Light backgroundsTable row hoverSkeleton loading
200
C1DA
#C1DAFB
Secondary backgroundsInput backgroundsDividers
300
91BD
#91BDF8
BordersInactive statesPlaceholder text
400
579B
#579BF4
Disabled statesSecondary iconsMuted text
500
277F
#277FF1
Primary brand colorCTAsActive elementsLinks
600
0D63
#0D63D3
Hover statesFocus ringsPrimary buttons hover
700
0B4F
#0B4FA8
Active/pressed statesDark mode accentsSecondary text
800
0838
#083878
Text on light backgroundsHeadingsStrong borders
900
0524
#05244D
Primary textHigh emphasis contentDark headings
950
0317
#031730
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F6FE;
  --cobalt-100: #DDEBFD;
  --cobalt-200: #C1DAFB;
  --cobalt-300: #91BDF8;
  --cobalt-400: #579BF4;
  --cobalt-500: #277FF1;
  --cobalt-600: #0D63D3;
  --cobalt-700: #0B4FA8;
  --cobalt-800: #083878;
  --cobalt-900: #05244D;
  --cobalt-950: #031730;
}
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