Cobalt

#15359D

Blue

Color Codes

All color formats for development

HEX
#15359D
RGB
rgb(21, 53, 157)
HSL
hsl(226, 76%, 35%)
OKLCH
oklch(0.383 0.172 265.2)
CMYK
cmyk(87%, 66%, 0%, 38%)

Accessibility

WCAG contrast compliance

On White Background

10.36:1

AA AAA

On Black Background

2.03:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F4
100
#E0E6
200
#C5D0
300
#98AD
400
#6282
500
#355E
600
#1B43
700
#1535
800
#0F26
900
#0A18
950
#060F

Shades

Darker variations

1#13308D
2#112A7E
3#0F256E
4#0D205E
5#0B1B4F
6#09153F
7#06102F
8#040B1F
9#020510

Tints

Lighter variations

1#193FBA
2#1D49D7
3#335CE3
4#5073E7
5#6D8BEB
6#8AA2EF
7#A7B9F3
8#C5D0F7
9#E2E8FB

Tones

Muted variations

1#1C3996
2#233C90
3#2A4089
4#314482
5#37477B
6#3E4B74
7#454E6E
8#4C5267
9#525660

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F4
#F2F4FD
BackgroundsSubtle highlightsCard backgrounds
100
E0E6
#E0E6FB
Light backgroundsTable row hoverSkeleton loading
200
C5D0
#C5D0F7
Secondary backgroundsInput backgroundsDividers
300
98AD
#98ADF1
BordersInactive statesPlaceholder text
400
6282
#6282EA
Disabled statesSecondary iconsMuted text
500
355E
#355EE3
Primary brand colorCTAsActive elementsLinks
600
1B43
#1B43C5
Hover statesFocus ringsPrimary buttons hover
700
1535
#15359D
Active/pressed statesDark mode accentsSecondary text
800
0F26
#0F2670
Text on light backgroundsHeadingsStrong borders
900
0A18
#0A1848
Primary textHigh emphasis contentDark headings
950
060F
#060F2D
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F4FD;
  --cobalt-100: #E0E6FB;
  --cobalt-200: #C5D0F7;
  --cobalt-300: #98ADF1;
  --cobalt-400: #6282EA;
  --cobalt-500: #355EE3;
  --cobalt-600: #1B43C5;
  --cobalt-700: #15359D;
  --cobalt-800: #0F2670;
  --cobalt-900: #0A1848;
  --cobalt-950: #060F2D;
}
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