Cobalt

#1524CB

Blue

Color Codes

All color formats for development

HEX
#1524CB
RGB
rgb(21, 36, 203)
HSL
hsl(235, 81%, 44%)
OKLCH
oklch(0.41 0.244 266.4)
CMYK
cmyk(90%, 82%, 0%, 20%)

Accessibility

WCAG contrast compliance

On White Background

9.78:1

AA AAA

On Black Background

2.15:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F2
100
#DFE1
200
#C3C7
300
#959D
400
#5D6A
500
#2F3F
600
#1524
700
#111D
800
#0C15
900
#080D
950
#0508

Shades

Darker variations

1#1321B7
2#111DA2
3#0F1A8E
4#0D167A
5#0B1266
6#090F51
7#060B3D
8#040729
9#020414

Tints

Lighter variations

1#1829E5
2#3040E9
3#4A58EC
4#646FEF
5#7E87F1
6#989FF4
7#B1B7F7
8#CBCFFA
9#E5E7FC

Tones

Muted variations

1#1E2CC2
2#2734B9
3#313BB0
4#3A43A7
5#434A9E
6#4C5295
7#55598B
8#5E6182
9#676979

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F2
#F1F2FE
BackgroundsSubtle highlightsCard backgrounds
100
DFE1
#DFE1FC
Light backgroundsTable row hoverSkeleton loading
200
C3C7
#C3C7F9
Secondary backgroundsInput backgroundsDividers
300
959D
#959DF4
BordersInactive statesPlaceholder text
400
5D6A
#5D6AEE
Disabled statesSecondary iconsMuted text
500
2F3F
#2F3FE9
Primary brand colorCTAsActive elementsLinks
600
1524
#1524CB
Hover statesFocus ringsPrimary buttons hover
700
111D
#111DA2
Active/pressed statesDark mode accentsSecondary text
800
0C15
#0C1573
Text on light backgroundsHeadingsStrong borders
900
080D
#080D4A
Primary textHigh emphasis contentDark headings
950
0508
#05082E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F2FE;
  --cobalt-100: #DFE1FC;
  --cobalt-200: #C3C7F9;
  --cobalt-300: #959DF4;
  --cobalt-400: #5D6AEE;
  --cobalt-500: #2F3FE9;
  --cobalt-600: #1524CB;
  --cobalt-700: #111DA2;
  --cobalt-800: #0C1573;
  --cobalt-900: #080D4A;
  --cobalt-950: #05082E;
}
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