Cobalt

#1236A1

Blue

Color Codes

All color formats for development

HEX
#1236A1
RGB
rgb(18, 54, 161)
HSL
hsl(225, 80%, 35%)
OKLCH
oklch(0.388 0.177 264.6)
CMYK
cmyk(89%, 66%, 0%, 37%)

Accessibility

WCAG contrast compliance

On White Background

10.15:1

AA AAA

On Black Background

2.07:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F4
100
#DFE6
200
#C3D1
300
#95AD
400
#5E82
500
#305E
600
#1643
700
#1236
800
#0D26
900
#0818
950
#050F

Shades

Darker variations

1#103091
2#0E2B81
3#0C2570
4#0B2060
5#091B50
6#071540
7#051030
8#040B20
9#020510

Tints

Lighter variations

1#153FBE
2#1849DC
3#2E5DE8
4#4C74EB
5#6A8BEE
6#88A2F2
7#A5B9F5
8#C3D1F8
9#E1E8FC

Tones

Muted variations

1#19399A
2#203D92
3#27408B
4#2E4484
5#36477D
6#3D4B76
7#444F6F
8#4B5268
9#525660

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F4
#F1F4FD
BackgroundsSubtle highlightsCard backgrounds
100
DFE6
#DFE6FB
Light backgroundsTable row hoverSkeleton loading
200
C3D1
#C3D1F8
Secondary backgroundsInput backgroundsDividers
300
95AD
#95ADF3
BordersInactive statesPlaceholder text
400
5E82
#5E82ED
Disabled statesSecondary iconsMuted text
500
305E
#305EE8
Primary brand colorCTAsActive elementsLinks
600
1643
#1643CA
Hover statesFocus ringsPrimary buttons hover
700
1236
#1236A1
Active/pressed statesDark mode accentsSecondary text
800
0D26
#0D2673
Text on light backgroundsHeadingsStrong borders
900
0818
#081849
Primary textHigh emphasis contentDark headings
950
050F
#050F2E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F4FD;
  --cobalt-100: #DFE6FB;
  --cobalt-200: #C3D1F8;
  --cobalt-300: #95ADF3;
  --cobalt-400: #5E82ED;
  --cobalt-500: #305EE8;
  --cobalt-600: #1643CA;
  --cobalt-700: #1236A1;
  --cobalt-800: #0D2673;
  --cobalt-900: #081849;
  --cobalt-950: #050F2E;
}
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