Cobalt

#0F48A3

Blue

Color Codes

All color formats for development

HEX
#0F48A3
RGB
rgb(15, 72, 163)
HSL
hsl(217, 83%, 35%)
OKLCH
oklch(0.426 0.158 260.1)
CMYK
cmyk(91%, 56%, 0%, 36%)

Accessibility

WCAG contrast compliance

On White Background

8.48:1

AA AAA

On Black Background

2.48:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F6
100
#DEEA
200
#C2D7
300
#94B9
400
#5C94
500
#2D76
600
#135A
700
#0F48
800
#0B33
900
#0721
950
#0415

Shades

Darker variations

1#0E4193
2#0C3A83
3#0B3272
4#092B62
5#082452
6#061D41
7#051631
8#030E21
9#020710

Tints

Lighter variations

1#1255C2
2#1563E0
3#2B75EB
4#4988EE
5#679CF1
6#86B0F4
7#A4C4F7
8#C2D7F9
9#E1EBFC

Tones

Muted variations

1#174A9C
2#1E4B95
3#254D8D
4#2D4F86
5#34517E
6#3C5277
7#43546F
8#4A5668
9#525861

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F6
#F1F6FE
BackgroundsSubtle highlightsCard backgrounds
100
DEEA
#DEEAFC
Light backgroundsTable row hoverSkeleton loading
200
C2D7
#C2D7F9
Secondary backgroundsInput backgroundsDividers
300
94B9
#94B9F5
BordersInactive statesPlaceholder text
400
5C94
#5C94F0
Disabled statesSecondary iconsMuted text
500
2D76
#2D76EB
Primary brand colorCTAsActive elementsLinks
600
135A
#135ACD
Hover statesFocus ringsPrimary buttons hover
700
0F48
#0F48A3
Active/pressed statesDark mode accentsSecondary text
800
0B33
#0B3375
Text on light backgroundsHeadingsStrong borders
900
0721
#07214B
Primary textHigh emphasis contentDark headings
950
0415
#04152F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F6FE;
  --cobalt-100: #DEEAFC;
  --cobalt-200: #C2D7F9;
  --cobalt-300: #94B9F5;
  --cobalt-400: #5C94F0;
  --cobalt-500: #2D76EB;
  --cobalt-600: #135ACD;
  --cobalt-700: #0F48A3;
  --cobalt-800: #0B3375;
  --cobalt-900: #07214B;
  --cobalt-950: #04152F;
}
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