Cobalt

#373FA9

Blue

Color Codes

All color formats for development

HEX
#373FA9
RGB
rgb(55, 63, 169)
HSL
hsl(236, 51%, 44%)
OKLCH
oklch(0.429 0.167 273.7)
CMYK
cmyk(67%, 63%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

8.58:1

AA AAA

On Black Background

2.45:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F4
100
#E4E5
200
#CDCF
300
#A6AA
400
#787E
500
#525A
600
#373F
700
#2C32
800
#1F24
900
#1417
950
#0C0E

Shades

Darker variations

1#313898
2#2C3288
3#262C77
4#212666
5#1B1F55
6#161944
7#101333
8#0B0D22
9#050611

Tints

Lighter variations

1#3E47BF
2#525AC7
3#686FCE
4#7E83D5
5#9398DC
6#A9ADE3
7#BEC1EA
8#D4D6F1
9#E9EAF8

Tones

Muted variations

1#3D44A4
2#42499E
3#484D98
4#4E5293
5#54578D
6#595C87
7#5F6181
8#65667C
9#6A6B76

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F4
#F3F4FB
BackgroundsSubtle highlightsCard backgrounds
100
E4E5
#E4E5F6
Light backgroundsTable row hoverSkeleton loading
200
CDCF
#CDCFEF
Secondary backgroundsInput backgroundsDividers
300
A6AA
#A6AAE2
BordersInactive statesPlaceholder text
400
787E
#787ED3
Disabled statesSecondary iconsMuted text
500
525A
#525AC7
Primary brand colorCTAsActive elementsLinks
600
373F
#373FA9
Hover statesFocus ringsPrimary buttons hover
700
2C32
#2C3287
Active/pressed statesDark mode accentsSecondary text
800
1F24
#1F2460
Text on light backgroundsHeadingsStrong borders
900
1417
#14173E
Primary textHigh emphasis contentDark headings
950
0C0E
#0C0E27
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FB;
  --cobalt-100: #E4E5F6;
  --cobalt-200: #CDCFEF;
  --cobalt-300: #A6AAE2;
  --cobalt-400: #787ED3;
  --cobalt-500: #525AC7;
  --cobalt-600: #373FA9;
  --cobalt-700: #2C3287;
  --cobalt-800: #1F2460;
  --cobalt-900: #14173E;
  --cobalt-950: #0C0E27;
}
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