Cobalt

#1C4397

Blue

Color Codes

All color formats for development

HEX
#1C4397
RGB
rgb(28, 67, 151)
HSL
hsl(221, 69%, 35%)
OKLCH
oklch(0.409 0.145 262.9)
CMYK
cmyk(81%, 56%, 0%, 41%)

Accessibility

WCAG contrast compliance

On White Background

9.13:1

AA AAA

On Black Background

2.30:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E1E9
200
#C7D5
300
#9CB6
400
#688F
500
#3D6F
600
#2354
700
#1C43
800
#1430
900
#0D1E
950
#0813

Shades

Darker variations

1#193C88
2#163579
3#132F6A
4#11285A
5#0E214B
6#0B1B3C
7#08142D
8#060D1E
9#03070F

Tints

Lighter variations

1#214FB3
2#265BCF
3#3B6EDB
4#5782E0
5#7397E5
6#8FACEA
7#ABC1F0
8#C7D5F5
9#E3EAFA

Tones

Muted variations

1#224591
2#28478B
3#2E4984
4#344C7E
5#3A4E78
6#415072
7#47526C
8#4D5566
9#53575F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FD
BackgroundsSubtle highlightsCard backgrounds
100
E1E9
#E1E9F9
Light backgroundsTable row hoverSkeleton loading
200
C7D5
#C7D5F5
Secondary backgroundsInput backgroundsDividers
300
9CB6
#9CB6ED
BordersInactive statesPlaceholder text
400
688F
#688FE3
Disabled statesSecondary iconsMuted text
500
3D6F
#3D6FDB
Primary brand colorCTAsActive elementsLinks
600
2354
#2354BE
Hover statesFocus ringsPrimary buttons hover
700
1C43
#1C4397
Active/pressed statesDark mode accentsSecondary text
800
1430
#14306C
Text on light backgroundsHeadingsStrong borders
900
0D1E
#0D1E45
Primary textHigh emphasis contentDark headings
950
0813
#08132B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F5FD;
  --cobalt-100: #E1E9F9;
  --cobalt-200: #C7D5F5;
  --cobalt-300: #9CB6ED;
  --cobalt-400: #688FE3;
  --cobalt-500: #3D6FDB;
  --cobalt-600: #2354BE;
  --cobalt-700: #1C4397;
  --cobalt-800: #14306C;
  --cobalt-900: #0D1E45;
  --cobalt-950: #08132B;
}
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