Cobalt

#243E8F

Blue

Color Codes

All color formats for development

HEX
#243E8F
RGB
rgb(36, 62, 143)
HSL
hsl(225, 60%, 35%)
OKLCH
oklch(0.395 0.138 266.5)
CMYK
cmyk(75%, 57%, 0%, 44%)

Accessibility

WCAG contrast compliance

On White Background

9.72:1

AA AAA

On Black Background

2.16:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E2E8
200
#CAD4
300
#A1B3
400
#708B
500
#476A
600
#2D4F
700
#243E
800
#1A2D
900
#101D
950
#0A12

Shades

Darker variations

1#203881
2#1D3272
3#192C64
4#152556
5#121F47
6#0E1939
7#0B132B
8#070C1D
9#04060E

Tints

Lighter variations

1#2A4AA9
2#3156C4
3#4568D1
4#607ED7
5#7A93DE
6#95A9E4
7#AFBEEB
8#CAD4F2
9#E4E9F8

Tones

Muted variations

1#294189
2#2E4484
3#34477F
4#394979
5#3E4C74
6#444F6F
7#495169
8#4F5464
9#54575F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E8
#E2E8F8
Light backgroundsTable row hoverSkeleton loading
200
CAD4
#CAD4F2
Secondary backgroundsInput backgroundsDividers
300
A1B3
#A1B3E8
BordersInactive statesPlaceholder text
400
708B
#708BDB
Disabled statesSecondary iconsMuted text
500
476A
#476AD1
Primary brand colorCTAsActive elementsLinks
600
2D4F
#2D4FB4
Hover statesFocus ringsPrimary buttons hover
700
243E
#243E8F
Active/pressed statesDark mode accentsSecondary text
800
1A2D
#1A2D66
Text on light backgroundsHeadingsStrong borders
900
101D
#101D41
Primary textHigh emphasis contentDark headings
950
0A12
#0A1229
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FC;
  --cobalt-100: #E2E8F8;
  --cobalt-200: #CAD4F2;
  --cobalt-300: #A1B3E8;
  --cobalt-400: #708BDB;
  --cobalt-500: #476AD1;
  --cobalt-600: #2D4FB4;
  --cobalt-700: #243E8F;
  --cobalt-800: #1A2D66;
  --cobalt-900: #101D41;
  --cobalt-950: #0A1229;
}
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