Cobalt

#1F3193

Blue

Color Codes

All color formats for development

HEX
#1F3193
RGB
rgb(31, 49, 147)
HSL
hsl(231, 65%, 35%)
OKLCH
oklch(0.37 0.161 268.6)
CMYK
cmyk(79%, 67%, 0%, 42%)

Accessibility

WCAG contrast compliance

On White Background

10.94:1

AA AAA

On Black Background

1.92:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F4
100
#E2E5
200
#C8CF
300
#9EAA
400
#6C7D
500
#4258
600
#273D
700
#1F31
800
#1623
900
#0E16
950
#090E

Shades

Darker variations

1#1C2C85
2#192776
3#162267
4#131D58
5#10184A
6#0C133B
7#090F2C
8#060A1D
9#03050F

Tints

Lighter variations

1#253AAF
2#2B43CA
3#4056D6
4#5B6EDC
5#7686E2
6#929FE8
7#ADB7EE
8#C8CFF3
9#E4E7F9

Tones

Muted variations

1#25358D
2#2B3988
3#313D82
4#36417C
5#3C4576
6#424970
7#484D6B
8#4E5165
9#53555F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F4
#F2F4FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E5
#E2E5F9
Light backgroundsTable row hoverSkeleton loading
200
C8CF
#C8CFF3
Secondary backgroundsInput backgroundsDividers
300
9EAA
#9EAAEA
BordersInactive statesPlaceholder text
400
6C7D
#6C7DE0
Disabled statesSecondary iconsMuted text
500
4258
#4258D7
Primary brand colorCTAsActive elementsLinks
600
273D
#273DB9
Hover statesFocus ringsPrimary buttons hover
700
1F31
#1F3193
Active/pressed statesDark mode accentsSecondary text
800
1623
#162369
Text on light backgroundsHeadingsStrong borders
900
0E16
#0E1643
Primary textHigh emphasis contentDark headings
950
090E
#090E2A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F4FC;
  --cobalt-100: #E2E5F9;
  --cobalt-200: #C8CFF3;
  --cobalt-300: #9EAAEA;
  --cobalt-400: #6C7DE0;
  --cobalt-500: #4258D7;
  --cobalt-600: #273DB9;
  --cobalt-700: #1F3193;
  --cobalt-800: #162369;
  --cobalt-900: #0E1643;
  --cobalt-950: #090E2A;
}
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