Cobalt

#15479E

Blue

Color Codes

All color formats for development

HEX
#15479E
RGB
rgb(21, 71, 158)
HSL
hsl(218, 77%, 35%)
OKLCH
oklch(0.421 0.151 260.8)
CMYK
cmyk(87%, 55%, 0%, 38%)

Accessibility

WCAG contrast compliance

On White Background

8.65:1

AA AAA

On Black Background

2.43:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F6
100
#DFE9
200
#C4D7
300
#97B8
400
#6193
500
#3475
600
#1A59
700
#1547
800
#0F33
900
#0920
950
#0614

Shades

Darker variations

1#12408E
2#10397E
3#0E326F
4#0C2B5F
5#0A234F
6#081C3F
7#06152F
8#040E20
9#020710

Tints

Lighter variations

1#1854BB
2#1C61D9
3#3273E4
4#4F87E8
5#6C9BEC
6#8AAFF0
7#A7C3F4
8#C4D7F7
9#E2EBFB

Tones

Muted variations

1#1B4997
2#224B90
3#294C89
4#304E82
5#37507C
6#3E5275
7#45546E
8#4C5667
9#525760

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F6
#F1F6FD
BackgroundsSubtle highlightsCard backgrounds
100
DFE9
#DFE9FB
Light backgroundsTable row hoverSkeleton loading
200
C4D7
#C4D7F7
Secondary backgroundsInput backgroundsDividers
300
97B8
#97B8F2
BordersInactive statesPlaceholder text
400
6193
#6193EA
Disabled statesSecondary iconsMuted text
500
3475
#3475E5
Primary brand colorCTAsActive elementsLinks
600
1A59
#1A59C7
Hover statesFocus ringsPrimary buttons hover
700
1547
#15479E
Active/pressed statesDark mode accentsSecondary text
800
0F33
#0F3371
Text on light backgroundsHeadingsStrong borders
900
0920
#092048
Primary textHigh emphasis contentDark headings
950
0614
#06142D
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F6FD;
  --cobalt-100: #DFE9FB;
  --cobalt-200: #C4D7F7;
  --cobalt-300: #97B8F2;
  --cobalt-400: #6193EA;
  --cobalt-500: #3475E5;
  --cobalt-600: #1A59C7;
  --cobalt-700: #15479E;
  --cobalt-800: #0F3371;
  --cobalt-900: #092048;
  --cobalt-950: #06142D;
}
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