Cobalt

#1C4197

Blue

Color Codes

All color formats for development

HEX
#1C4197
RGB
rgb(28, 65, 151)
HSL
hsl(222, 69%, 35%)
OKLCH
oklch(0.404 0.148 263.6)
CMYK
cmyk(81%, 57%, 0%, 41%)

Accessibility

WCAG contrast compliance

On White Background

9.32:1

AA AAA

On Black Background

2.25:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E1E8
200
#C7D5
300
#9CB4
400
#688D
500
#3D6D
600
#2351
700
#1C41
800
#142E
900
#0D1E
950
#0812

Shades

Darker variations

1#193A88
2#163479
3#132D6A
4#11275A
5#0E204B
6#0B1A3C
7#08132D
8#060D1E
9#03060F

Tints

Lighter variations

1#214DB3
2#2659CF
3#3B6BDB
4#5780E0
5#7395E5
6#8FAAEA
7#ABC0F0
8#C7D5F5
9#E3EAFA

Tones

Muted variations

1#224391
2#28468B
3#2E4884
4#344A7E
5#3A4D78
6#414F72
7#47526C
8#4D5466
9#53575F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FD
BackgroundsSubtle highlightsCard backgrounds
100
E1E8
#E1E8F9
Light backgroundsTable row hoverSkeleton loading
200
C7D5
#C7D5F5
Secondary backgroundsInput backgroundsDividers
300
9CB4
#9CB4ED
BordersInactive statesPlaceholder text
400
688D
#688DE3
Disabled statesSecondary iconsMuted text
500
3D6D
#3D6DDB
Primary brand colorCTAsActive elementsLinks
600
2351
#2351BE
Hover statesFocus ringsPrimary buttons hover
700
1C41
#1C4197
Active/pressed statesDark mode accentsSecondary text
800
142E
#142E6C
Text on light backgroundsHeadingsStrong borders
900
0D1E
#0D1E45
Primary textHigh emphasis contentDark headings
950
0812
#08122B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F5FD;
  --cobalt-100: #E1E8F9;
  --cobalt-200: #C7D5F5;
  --cobalt-300: #9CB4ED;
  --cobalt-400: #688DE3;
  --cobalt-500: #3D6DDB;
  --cobalt-600: #2351BE;
  --cobalt-700: #1C4197;
  --cobalt-800: #142E6C;
  --cobalt-900: #0D1E45;
  --cobalt-950: #08122B;
}
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