Cobalt

#0A3776

Blue

Color Codes

All color formats for development

HEX
#0A3776
RGB
rgb(10, 55, 118)
HSL
hsl(215, 84%, 25%)
OKLCH
oklch(0.349 0.118 258.4)
CMYK
cmyk(92%, 53%, 0%, 54%)

Accessibility

WCAG contrast compliance

On White Background

11.53:1

AA AAA

On Black Background

1.82:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F6
100
#DEEB
200
#C2D9
300
#93BC
400
#5B99
500
#2C7C
600
#1260
700
#0E4D
800
#0A37
900
#0723
950
#0416

Shades

Darker variations

1#09316A
2#082C5E
3#072652
4#062146
5#051B3B
6#04162F
7#031023
8#020B17
9#01050C

Tints

Lighter variations

1#0D4798
2#1058BC
3#1368DF
4#2C7CED
5#4F92F0
6#72A8F3
7#95BEF6
8#B9D3F9
9#DCE9FC

Tones

Muted variations

1#103870
2#15396B
3#1A3A65
4#203A60
5#253B5B
6#2A3C55
7#303D50
8#353E4A
9#3A3F45

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F6
#F1F6FE
BackgroundsSubtle highlightsCard backgrounds
100
DEEB
#DEEBFC
Light backgroundsTable row hoverSkeleton loading
200
C2D9
#C2D9FA
Secondary backgroundsInput backgroundsDividers
300
93BC
#93BCF6
BordersInactive statesPlaceholder text
400
5B99
#5B99F1
Disabled statesSecondary iconsMuted text
500
2C7C
#2C7CED
Primary brand colorCTAsActive elementsLinks
600
1260
#1260CE
Hover statesFocus ringsPrimary buttons hover
700
0E4D
#0E4DA4
Active/pressed statesDark mode accentsSecondary text
800
0A37
#0A3775
Text on light backgroundsHeadingsStrong borders
900
0723
#07234B
Primary textHigh emphasis contentDark headings
950
0416
#04162F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F6FE;
  --cobalt-100: #DEEBFC;
  --cobalt-200: #C2D9FA;
  --cobalt-300: #93BCF6;
  --cobalt-400: #5B99F1;
  --cobalt-500: #2C7CED;
  --cobalt-600: #1260CE;
  --cobalt-700: #0E4DA4;
  --cobalt-800: #0A3775;
  --cobalt-900: #07234B;
  --cobalt-950: #04162F;
}
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