Cobalt

#27388B

Blue

Color Codes

All color formats for development

HEX
#27388B
RGB
rgb(39, 56, 139)
HSL
hsl(230, 56%, 35%)
OKLCH
oklch(0.38 0.139 269.7)
CMYK
cmyk(72%, 60%, 0%, 45%)

Accessibility

WCAG contrast compliance

On White Background

10.37:1

AA AAA

On Black Background

2.02:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F4
100
#E3E6
200
#CBD1
300
#A4AE
400
#7484
500
#4C61
600
#3146
700
#2738
800
#1C28
900
#121A
950
#0B10

Shades

Darker variations

1#23327D
2#1F2D6F
3#1B2761
4#182254
5#141C46
6#101638
7#0C112A
8#080B1C
9#04060E

Tints

Lighter variations

1#2F42A5
2#364DBF
3#4A60CC
4#6476D3
5#7E8DDB
6#98A4E2
7#B1BBE9
8#CBD1F0
9#E5E8F8

Tones

Muted variations

1#2C3B86
2#313F81
3#36427C
4#3B4577
5#404972
6#454C6D
7#4A4F68
8#4F5363
9#54565E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F4
#F3F4FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E6
#E3E6F7
Light backgroundsTable row hoverSkeleton loading
200
CBD1
#CBD1F0
Secondary backgroundsInput backgroundsDividers
300
A4AE
#A4AEE5
BordersInactive statesPlaceholder text
400
7484
#7484D8
Disabled statesSecondary iconsMuted text
500
4C61
#4C61CD
Primary brand colorCTAsActive elementsLinks
600
3146
#3146AF
Hover statesFocus ringsPrimary buttons hover
700
2738
#27388B
Active/pressed statesDark mode accentsSecondary text
800
1C28
#1C2863
Text on light backgroundsHeadingsStrong borders
900
121A
#121A40
Primary textHigh emphasis contentDark headings
950
0B10
#0B1028
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FC;
  --cobalt-100: #E3E6F7;
  --cobalt-200: #CBD1F0;
  --cobalt-300: #A4AEE5;
  --cobalt-400: #7484D8;
  --cobalt-500: #4C61CD;
  --cobalt-600: #3146AF;
  --cobalt-700: #27388B;
  --cobalt-800: #1C2863;
  --cobalt-900: #121A40;
  --cobalt-950: #0B1028;
}
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