Cobalt

#1C3497

Blue

Color Codes

All color formats for development

HEX
#1C3497
RGB
rgb(28, 52, 151)
HSL
hsl(228, 69%, 35%)
OKLCH
oklch(0.378 0.164 267.1)
CMYK
cmyk(81%, 66%, 0%, 41%)

Accessibility

WCAG contrast compliance

On White Background

10.57:1

AA AAA

On Black Background

1.99:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F4
100
#E1E6
200
#C7D0
300
#9CAC
400
#6881
500
#3D5D
600
#2342
700
#1C34
800
#1425
900
#0D18
950
#080F

Shades

Darker variations

1#192F88
2#162A79
3#13256A
4#111F5A
5#0E1A4B
6#0B153C
7#08102D
8#060A1E
9#03050F

Tints

Lighter variations

1#213EB3
2#2648CF
3#3B5BDB
4#5772E0
5#738AE5
6#8FA1EA
7#ABB9F0
8#C7D0F5
9#E3E8FA

Tones

Muted variations

1#223891
2#283C8B
3#2E3F84
4#34437E
5#3A4778
6#414A72
7#474E6C
8#4D5266
9#53565F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F4
#F2F4FD
BackgroundsSubtle highlightsCard backgrounds
100
E1E6
#E1E6F9
Light backgroundsTable row hoverSkeleton loading
200
C7D0
#C7D0F5
Secondary backgroundsInput backgroundsDividers
300
9CAC
#9CACED
BordersInactive statesPlaceholder text
400
6881
#6881E3
Disabled statesSecondary iconsMuted text
500
3D5D
#3D5DDB
Primary brand colorCTAsActive elementsLinks
600
2342
#2342BE
Hover statesFocus ringsPrimary buttons hover
700
1C34
#1C3497
Active/pressed statesDark mode accentsSecondary text
800
1425
#14256C
Text on light backgroundsHeadingsStrong borders
900
0D18
#0D1845
Primary textHigh emphasis contentDark headings
950
080F
#080F2B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F4FD;
  --cobalt-100: #E1E6F9;
  --cobalt-200: #C7D0F5;
  --cobalt-300: #9CACED;
  --cobalt-400: #6881E3;
  --cobalt-500: #3D5DDB;
  --cobalt-600: #2342BE;
  --cobalt-700: #1C3497;
  --cobalt-800: #14256C;
  --cobalt-900: #0D1845;
  --cobalt-950: #080F2B;
}
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