Cobalt

#0B2DA8

Blue

Color Codes

All color formats for development

HEX
#0B2DA8
RGB
rgb(11, 45, 168)
HSL
hsl(227, 88%, 35%)
OKLCH
oklch(0.378 0.197 264.8)
CMYK
cmyk(93%, 73%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

10.74:1

AA AAA

On Black Background

1.96:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F4
100
#DDE4
200
#C1CD
300
#91A7
400
#5779
500
#2753
600
#0D38
700
#0B2D
800
#0820
900
#0514
950
#030D

Shades

Darker variations

1#0A2897
2#092486
3#071F75
4#061B65
5#051654
6#041243
7#030D32
8#020922
9#010411

Tints

Lighter variations

1#0D35C7
2#0F3DE6
3#2551F1
4#446AF3
5#6383F5
6#829CF7
7#A2B4F9
8#C1CDFB
9#E0E6FD

Tones

Muted variations

1#1331A0
2#1A3698
3#223A90
4#2A3F88
5#324381
6#3A4779
7#424C71
8#4A5069
9#515561

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F4
#F1F4FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE4
#DDE4FD
Light backgroundsTable row hoverSkeleton loading
200
C1CD
#C1CDFB
Secondary backgroundsInput backgroundsDividers
300
91A7
#91A7F8
BordersInactive statesPlaceholder text
400
5779
#5779F4
Disabled statesSecondary iconsMuted text
500
2753
#2753F1
Primary brand colorCTAsActive elementsLinks
600
0D38
#0D38D3
Hover statesFocus ringsPrimary buttons hover
700
0B2D
#0B2DA8
Active/pressed statesDark mode accentsSecondary text
800
0820
#082078
Text on light backgroundsHeadingsStrong borders
900
0514
#05144D
Primary textHigh emphasis contentDark headings
950
030D
#030D30
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F4FE;
  --cobalt-100: #DDE4FD;
  --cobalt-200: #C1CDFB;
  --cobalt-300: #91A7F8;
  --cobalt-400: #5779F4;
  --cobalt-500: #2753F1;
  --cobalt-600: #0D38D3;
  --cobalt-700: #0B2DA8;
  --cobalt-800: #082078;
  --cobalt-900: #05144D;
  --cobalt-950: #030D30;
}
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