Cobalt

#0A51A9

Blue

Color Codes

All color formats for development

HEX
#0A51A9
RGB
rgb(10, 81, 169)
HSL
hsl(213, 89%, 35%)
OKLCH
oklch(0.45 0.156 257.6)
CMYK
cmyk(94%, 52%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

7.60:1

AA AAA

On Black Background

2.76:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F7
100
#DDEC
200
#C0DB
300
#90BF
400
#569E
500
#2682
600
#0C66
700
#0A51
800
#073A
900
#0425
950
#0317

Shades

Darker variations

1#094998
2#084187
3#073976
4#063165
5#052954
6#042143
7#031833
8#021022
9#010811

Tints

Lighter variations

1#0C60C8
2#0D70E7
3#2481F2
4#4393F4
5#62A5F6
6#82B7F8
7#A1C9FA
8#C0DBFB
9#E0EDFD

Tones

Muted variations

1#1252A1
2#1A5399
3#225491
4#2A5489
5#325581
6#395679
7#415771
8#495869
9#515861

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F7
#F1F7FE
BackgroundsSubtle highlightsCard backgrounds
100
DDEC
#DDECFD
Light backgroundsTable row hoverSkeleton loading
200
C0DB
#C0DBFB
Secondary backgroundsInput backgroundsDividers
300
90BF
#90BFF9
BordersInactive statesPlaceholder text
400
569E
#569EF5
Disabled statesSecondary iconsMuted text
500
2682
#2682F2
Primary brand colorCTAsActive elementsLinks
600
0C66
#0C66D4
Hover statesFocus ringsPrimary buttons hover
700
0A51
#0A51A9
Active/pressed statesDark mode accentsSecondary text
800
073A
#073A78
Text on light backgroundsHeadingsStrong borders
900
0425
#04254D
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: #F1F7FE;
  --cobalt-100: #DDECFD;
  --cobalt-200: #C0DBFB;
  --cobalt-300: #90BFF9;
  --cobalt-400: #569EF5;
  --cobalt-500: #2682F2;
  --cobalt-600: #0C66D4;
  --cobalt-700: #0A51A9;
  --cobalt-800: #073A78;
  --cobalt-900: #04254D;
  --cobalt-950: #031730;
}
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