Cobalt

#184E9A

Blue

Color Codes

All color formats for development

HEX
#184E9A
RGB
rgb(24, 78, 154)
HSL
hsl(215, 73%, 35%)
OKLCH
oklch(0.434 0.136 258.1)
CMYK
cmyk(84%, 49%, 0%, 40%)

Accessibility

WCAG contrast compliance

On White Background

8.09:1

AA AAA

On Black Background

2.60:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F6
100
#E0EB
200
#C6DA
300
#9ABD
400
#659B
500
#387E
600
#1E63
700
#184E
800
#1138
900
#0B24
950
#0716

Shades

Darker variations

1#16478B
2#133F7C
3#11376C
4#0E2F5D
5#0C274D
6#0A1F3E
7#07182E
8#05101F
9#02080F

Tints

Lighter variations

1#1D5DB7
2#216CD4
3#367DE0
4#538FE4
5#70A2E9
6#8CB5ED
7#A9C7F2
8#C6DAF6
9#E2ECFB

Tones

Muted variations

1#1F4F94
2#25518D
3#2C5287
4#325380
5#39547A
6#3F5573
7#46566D
8#4C5766
9#535860

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F6
#F2F6FD
BackgroundsSubtle highlightsCard backgrounds
100
E0EB
#E0EBFA
Light backgroundsTable row hoverSkeleton loading
200
C6DA
#C6DAF6
Secondary backgroundsInput backgroundsDividers
300
9ABD
#9ABDEF
BordersInactive statesPlaceholder text
400
659B
#659BE7
Disabled statesSecondary iconsMuted text
500
387E
#387EE0
Primary brand colorCTAsActive elementsLinks
600
1E63
#1E63C2
Hover statesFocus ringsPrimary buttons hover
700
184E
#184E9A
Active/pressed statesDark mode accentsSecondary text
800
1138
#11386E
Text on light backgroundsHeadingsStrong borders
900
0B24
#0B2447
Primary textHigh emphasis contentDark headings
950
0716
#07162C
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F6FD;
  --cobalt-100: #E0EBFA;
  --cobalt-200: #C6DAF6;
  --cobalt-300: #9ABDEF;
  --cobalt-400: #659BE7;
  --cobalt-500: #387EE0;
  --cobalt-600: #1E63C2;
  --cobalt-700: #184E9A;
  --cobalt-800: #11386E;
  --cobalt-900: #0B2447;
  --cobalt-950: #07162C;
}
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