Cobalt

#0A3A76

Blue

Color Codes

All color formats for development

HEX
#0A3A76
RGB
rgb(10, 58, 118)
HSL
hsl(213, 84%, 25%)
OKLCH
oklch(0.356 0.114 256.9)
CMYK
cmyk(92%, 51%, 0%, 54%)

Accessibility

WCAG contrast compliance

On White Background

11.17:1

AA AAA

On Black Background

1.88:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F7
100
#DEEC
200
#C2DB
300
#93BF
400
#5B9E
500
#2C83
600
#1267
700
#0E52
800
#0A3A
900
#0725
950
#0417

Shades

Darker variations

1#09356A
2#082F5E
3#072952
4#062346
5#051D3B
6#04172F
7#031223
8#020C17
9#01060C

Tints

Lighter variations

1#0D4C98
2#105DBC
3#136FDF
4#2C83ED
5#4F97F0
6#72ACF3
7#95C1F6
8#B9D6F9
9#DCEAFC

Tones

Muted variations

1#103B70
2#153B6B
3#1A3C65
4#203D60
5#253D5B
6#2A3E55
7#303E50
8#353F4A
9#3A3F45

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F7
#F1F7FE
BackgroundsSubtle highlightsCard backgrounds
100
DEEC
#DEECFC
Light backgroundsTable row hoverSkeleton loading
200
C2DB
#C2DBFA
Secondary backgroundsInput backgroundsDividers
300
93BF
#93BFF6
BordersInactive statesPlaceholder text
400
5B9E
#5B9EF1
Disabled statesSecondary iconsMuted text
500
2C83
#2C83ED
Primary brand colorCTAsActive elementsLinks
600
1267
#1267CE
Hover statesFocus ringsPrimary buttons hover
700
0E52
#0E52A4
Active/pressed statesDark mode accentsSecondary text
800
0A3A
#0A3A75
Text on light backgroundsHeadingsStrong borders
900
0725
#07254B
Primary textHigh emphasis contentDark headings
950
0417
#04172F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F7FE;
  --cobalt-100: #DEECFC;
  --cobalt-200: #C2DBFA;
  --cobalt-300: #93BFF6;
  --cobalt-400: #5B9EF1;
  --cobalt-500: #2C83ED;
  --cobalt-600: #1267CE;
  --cobalt-700: #0E52A4;
  --cobalt-800: #0A3A75;
  --cobalt-900: #07254B;
  --cobalt-950: #04172F;
}
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