Cobalt

#1820C9

Blue

Color Codes

All color formats for development

HEX
#1820C9
RGB
rgb(24, 32, 201)
HSL
hsl(237, 79%, 44%)
OKLCH
oklch(0.404 0.244 267.1)
CMYK
cmyk(88%, 84%, 0%, 21%)

Accessibility

WCAG contrast compliance

On White Background

10.05:1

AA AAA

On Black Background

2.09:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F2
100
#DFE0
200
#C4C6
300
#969B
400
#5F66
500
#323B
600
#1820
700
#131A
800
#0D12
900
#090C
950
#0507

Shades

Darker variations

1#151DB5
2#131AA1
3#10178D
4#0E1379
5#0C1064
6#090D50
7#070A3C
8#050628
9#020314

Tints

Lighter variations

1#1B25E2
2#333CE7
3#4C54EA
4#666CED
5#7F85F0
6#999DF3
7#B2B6F6
8#CCCEF9
9#E5E7FC

Tones

Muted variations

1#2028C0
2#2930B7
3#3238AE
4#3B40A5
5#44489D
6#4D5094
7#56588B
8#5E6082
9#676879

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F2
#F1F2FD
BackgroundsSubtle highlightsCard backgrounds
100
DFE0
#DFE0FB
Light backgroundsTable row hoverSkeleton loading
200
C4C6
#C4C6F8
Secondary backgroundsInput backgroundsDividers
300
969B
#969BF3
BordersInactive statesPlaceholder text
400
5F66
#5F66EC
Disabled statesSecondary iconsMuted text
500
323B
#323BE7
Primary brand colorCTAsActive elementsLinks
600
1820
#1820C9
Hover statesFocus ringsPrimary buttons hover
700
131A
#131AA0
Active/pressed statesDark mode accentsSecondary text
800
0D12
#0D1272
Text on light backgroundsHeadingsStrong borders
900
090C
#090C49
Primary textHigh emphasis contentDark headings
950
0507
#05072E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F2FD;
  --cobalt-100: #DFE0FB;
  --cobalt-200: #C4C6F8;
  --cobalt-300: #969BF3;
  --cobalt-400: #5F66EC;
  --cobalt-500: #323BE7;
  --cobalt-600: #1820C9;
  --cobalt-700: #131AA0;
  --cobalt-800: #0D1272;
  --cobalt-900: #090C49;
  --cobalt-950: #05072E;
}
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