Cobalt

#0B4075

Blue

Color Codes

All color formats for development

HEX
#0B4075
RGB
rgb(11, 64, 117)
HSL
hsl(210, 83%, 25%)
OKLCH
oklch(0.37 0.105 253.1)
CMYK
cmyk(91%, 45%, 0%, 54%)

Accessibility

WCAG contrast compliance

On White Background

10.48:1

AA AAA

On Black Background

2.00:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F7
100
#DEED
200
#C2DE
300
#94C4
400
#5CA6
500
#2D8C
600
#1370
700
#0F59
800
#0B40
900
#0729
950
#041A

Shades

Darker variations

1#0A3969
2#09335D
3#082D52
4#072646
5#05203A
6#04192F
7#031323
8#020D17
9#01060C

Tints

Lighter variations

1#0E5398
2#1166BB
3#1579DE
4#2D8CEB
5#509FEF
6#73B2F2
7#96C6F5
8#B9D9F8
9#DCECFC

Tones

Muted variations

1#10406F
2#15406A
3#1B4065
4#20405F
5#25405A
6#2B4055
7#304050
8#35404A
9#3A4045

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F7
#F1F7FE
BackgroundsSubtle highlightsCard backgrounds
100
DEED
#DEEDFC
Light backgroundsTable row hoverSkeleton loading
200
C2DE
#C2DEF9
Secondary backgroundsInput backgroundsDividers
300
94C4
#94C4F5
BordersInactive statesPlaceholder text
400
5CA6
#5CA6F0
Disabled statesSecondary iconsMuted text
500
2D8C
#2D8CEB
Primary brand colorCTAsActive elementsLinks
600
1370
#1370CD
Hover statesFocus ringsPrimary buttons hover
700
0F59
#0F59A3
Active/pressed statesDark mode accentsSecondary text
800
0B40
#0B4075
Text on light backgroundsHeadingsStrong borders
900
0729
#07294B
Primary textHigh emphasis contentDark headings
950
041A
#041A2F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F7FE;
  --cobalt-100: #DEEDFC;
  --cobalt-200: #C2DEF9;
  --cobalt-300: #94C4F5;
  --cobalt-400: #5CA6F0;
  --cobalt-500: #2D8CEB;
  --cobalt-600: #1370CD;
  --cobalt-700: #0F59A3;
  --cobalt-800: #0B4075;
  --cobalt-900: #07294B;
  --cobalt-950: #041A2F;
}
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