Cobalt

#143FCC

Blue

Color Codes

All color formats for development

HEX
#143FCC
RGB
rgb(20, 63, 204)
HSL
hsl(226, 82%, 44%)
OKLCH
oklch(0.448 0.221 264.7)
CMYK
cmyk(90%, 69%, 0%, 20%)

Accessibility

WCAG contrast compliance

On White Background

8.04:1

AA AAA

On Black Background

2.61:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F4
100
#DFE5
200
#C3CF
300
#94AB
400
#5D7F
500
#2E5A
600
#143F
700
#1032
800
#0B24
900
#0717
950
#050E

Shades

Darker variations

1#1239B8
2#1033A3
3#0E2C8F
4#0C267B
5#0A2066
6#081952
7#06133D
8#040D29
9#020614

Tints

Lighter variations

1#1747E6
2#2F5BEA
3#496FED
4#6384F0
5#7D98F2
6#97ADF5
7#B1C1F7
8#CBD6FA
9#E5EAFC

Tones

Muted variations

1#1D44C3
2#2749BA
3#304EB1
4#3953A7
5#42589E
6#4B5D95
7#55618C
8#5E6683
9#676B79

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F4
#F1F4FE
BackgroundsSubtle highlightsCard backgrounds
100
DFE5
#DFE5FC
Light backgroundsTable row hoverSkeleton loading
200
C3CF
#C3CFF9
Secondary backgroundsInput backgroundsDividers
300
94AB
#94ABF4
BordersInactive statesPlaceholder text
400
5D7F
#5D7FEF
Disabled statesSecondary iconsMuted text
500
2E5A
#2E5AEA
Primary brand colorCTAsActive elementsLinks
600
143F
#143FCC
Hover statesFocus ringsPrimary buttons hover
700
1032
#1032A2
Active/pressed statesDark mode accentsSecondary text
800
0B24
#0B2474
Text on light backgroundsHeadingsStrong borders
900
0717
#07174A
Primary textHigh emphasis contentDark headings
950
050E
#050E2E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F4FE;
  --cobalt-100: #DFE5FC;
  --cobalt-200: #C3CFF9;
  --cobalt-300: #94ABF4;
  --cobalt-400: #5D7FEF;
  --cobalt-500: #2E5AEA;
  --cobalt-600: #143FCC;
  --cobalt-700: #1032A2;
  --cobalt-800: #0B2474;
  --cobalt-900: #07174A;
  --cobalt-950: #050E2E;
}
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