Cobalt

#1223A1

Blue

Color Codes

All color formats for development

HEX
#1223A1
RGB
rgb(18, 35, 161)
HSL
hsl(233, 80%, 35%)
OKLCH
oklch(0.357 0.197 266.8)
CMYK
cmyk(89%, 78%, 0%, 37%)

Accessibility

WCAG contrast compliance

On White Background

11.79:1

AA AAA

On Black Background

1.78:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F3
100
#DFE2
200
#C3CA
300
#95A0
400
#5E6F
500
#3046
600
#162B
700
#1223
800
#0D19
900
#0810
950
#050A

Shades

Darker variations

1#101F91
2#0E1C81
3#0C1870
4#0B1560
5#091150
6#070E40
7#050A30
8#040720
9#020310

Tints

Lighter variations

1#1529BE
2#182FDC
3#2E44E8
4#4C5FEB
5#6A79EE
6#8894F2
7#A5AFF5
8#C3CAF8
9#E1E4FC

Tones

Muted variations

1#19289A
2#202D92
3#27338B
4#2E3884
5#363E7D
6#3D4376
7#44496F
8#4B4E68
9#525460

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F3
#F1F3FD
BackgroundsSubtle highlightsCard backgrounds
100
DFE2
#DFE2FB
Light backgroundsTable row hoverSkeleton loading
200
C3CA
#C3CAF8
Secondary backgroundsInput backgroundsDividers
300
95A0
#95A0F3
BordersInactive statesPlaceholder text
400
5E6F
#5E6FED
Disabled statesSecondary iconsMuted text
500
3046
#3046E8
Primary brand colorCTAsActive elementsLinks
600
162B
#162BCA
Hover statesFocus ringsPrimary buttons hover
700
1223
#1223A1
Active/pressed statesDark mode accentsSecondary text
800
0D19
#0D1973
Text on light backgroundsHeadingsStrong borders
900
0810
#081049
Primary textHigh emphasis contentDark headings
950
050A
#050A2E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F3FD;
  --cobalt-100: #DFE2FB;
  --cobalt-200: #C3CAF8;
  --cobalt-300: #95A0F3;
  --cobalt-400: #5E6FED;
  --cobalt-500: #3046E8;
  --cobalt-600: #162BCA;
  --cobalt-700: #1223A1;
  --cobalt-800: #0D1973;
  --cobalt-900: #081049;
  --cobalt-950: #050A2E;
}
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