Cobalt

#263E8C

Blue

Color Codes

All color formats for development

HEX
#263E8C
RGB
rgb(38, 62, 140)
HSL
hsl(226, 57%, 35%)
OKLCH
oklch(0.393 0.133 267.1)
CMYK
cmyk(73%, 56%, 0%, 45%)

Accessibility

WCAG contrast compliance

On White Background

9.77:1

AA AAA

On Black Background

2.15:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E3E8
200
#CBD4
300
#A3B3
400
#738B
500
#4B69
600
#304E
700
#263E
800
#1B2C
900
#121C
950
#0B12

Shades

Darker variations

1#23387E
2#1F3270
3#1B2B62
4#172554
5#131F46
6#0F1938
7#0C132A
8#080C1C
9#04060E

Tints

Lighter variations

1#2E4AA6
2#3555C0
3#4968CD
4#637DD4
5#7D93DB
6#97A9E2
7#B1BEEA
8#CBD4F1
9#E5E9F8

Tones

Muted variations

1#2B4187
2#314482
3#36467D
4#3B4978
5#404C73
6#454E6E
7#4A5169
8#4F5463
9#54575E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E8
#E3E8F7
Light backgroundsTable row hoverSkeleton loading
200
CBD4
#CBD4F1
Secondary backgroundsInput backgroundsDividers
300
A3B3
#A3B3E6
BordersInactive statesPlaceholder text
400
738B
#738BD9
Disabled statesSecondary iconsMuted text
500
4B69
#4B69CE
Primary brand colorCTAsActive elementsLinks
600
304E
#304EB0
Hover statesFocus ringsPrimary buttons hover
700
263E
#263E8C
Active/pressed statesDark mode accentsSecondary text
800
1B2C
#1B2C64
Text on light backgroundsHeadingsStrong borders
900
121C
#121C40
Primary textHigh emphasis contentDark headings
950
0B12
#0B1228
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FC;
  --cobalt-100: #E3E8F7;
  --cobalt-200: #CBD4F1;
  --cobalt-300: #A3B3E6;
  --cobalt-400: #738BD9;
  --cobalt-500: #4B69CE;
  --cobalt-600: #304EB0;
  --cobalt-700: #263E8C;
  --cobalt-800: #1B2C64;
  --cobalt-900: #121C40;
  --cobalt-950: #0B1228;
}
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