Cobalt

#181DC9

Blue

Color Codes

All color formats for development

HEX
#181DC9
RGB
rgb(24, 29, 201)
HSL
hsl(238, 79%, 44%)
OKLCH
oklch(0.401 0.246 267.1)
CMYK
cmyk(88%, 86%, 0%, 21%)

Accessibility

WCAG contrast compliance

On White Background

10.20:1

AA AAA

On Black Background

2.06:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F2
100
#DFE0
200
#C4C5
300
#9699
400
#5F64
500
#3238
600
#181D
700
#1317
800
#0D11
900
#090B
950
#0507

Shades

Darker variations

1#151BB5
2#1318A1
3#10158D
4#0E1279
5#0C0F64
6#090C50
7#07093C
8#050628
9#020314

Tints

Lighter variations

1#1B21E2
2#3339E7
3#4C51EA
4#666AED
5#7F83F0
6#999CF3
7#B2B5F6
8#CCCDF9
9#E5E6FC

Tones

Muted variations

1#2026C0
2#292EB7
3#3236AE
4#3B3FA5
5#44479D
6#4D4F94
7#56578B
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
C4C5
#C4C5F8
Secondary backgroundsInput backgroundsDividers
300
9699
#9699F3
BordersInactive statesPlaceholder text
400
5F64
#5F64EC
Disabled statesSecondary iconsMuted text
500
3238
#3238E7
Primary brand colorCTAsActive elementsLinks
600
181D
#181DC9
Hover statesFocus ringsPrimary buttons hover
700
1317
#1317A0
Active/pressed statesDark mode accentsSecondary text
800
0D11
#0D1172
Text on light backgroundsHeadingsStrong borders
900
090B
#090B49
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: #C4C5F8;
  --cobalt-300: #9699F3;
  --cobalt-400: #5F64EC;
  --cobalt-500: #3238E7;
  --cobalt-600: #181DC9;
  --cobalt-700: #1317A0;
  --cobalt-800: #0D1172;
  --cobalt-900: #090B49;
  --cobalt-950: #05072E;
}
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