Cobalt

#0242B1

Blue

Color Codes

All color formats for development

HEX
#0242B1
RGB
rgb(2, 66, 177)
HSL
hsl(218, 98%, 35%)
OKLCH
oklch(0.424 0.186 261.4)
CMYK
cmyk(99%, 63%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

8.69:1

AA AAA

On Black Background

2.42:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F5
100
#DCE8
200
#BDD5
300
#8BB5
400
#4E8E
500
#1C6E
600
#0253
700
#0242
800
#012F
900
#011E
950
#0113

Shades

Darker variations

1#023B9F
2#01358D
3#012E7C
4#01286A
5#012158
6#011A47
7#011435
8#000D23
9#000712

Tints

Lighter variations

1#024ED2
2#025AF2
3#196DFD
4#3A82FD
5#5B96FD
6#7CABFE
7#9DC0FE
8#BDD5FE
9#DEEAFF

Tones

Muted variations

1#0B44A8
2#13479F
3#1C4996
4#254B8E
5#2E4E85
6#36507C
7#3F5273
8#48556B
9#515762

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F5
#F0F5FF
BackgroundsSubtle highlightsCard backgrounds
100
DCE8
#DCE8FF
Light backgroundsTable row hoverSkeleton loading
200
BDD5
#BDD5FE
Secondary backgroundsInput backgroundsDividers
300
8BB5
#8BB5FE
BordersInactive statesPlaceholder text
400
4E8E
#4E8EFD
Disabled statesSecondary iconsMuted text
500
1C6E
#1C6EFD
Primary brand colorCTAsActive elementsLinks
600
0253
#0253DE
Hover statesFocus ringsPrimary buttons hover
700
0242
#0242B1
Active/pressed statesDark mode accentsSecondary text
800
012F
#012F7E
Text on light backgroundsHeadingsStrong borders
900
011E
#011E51
Primary textHigh emphasis contentDark headings
950
0113
#011332
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F5FF;
  --cobalt-100: #DCE8FF;
  --cobalt-200: #BDD5FE;
  --cobalt-300: #8BB5FE;
  --cobalt-400: #4E8EFD;
  --cobalt-500: #1C6EFD;
  --cobalt-600: #0253DE;
  --cobalt-700: #0242B1;
  --cobalt-800: #012F7E;
  --cobalt-900: #011E51;
  --cobalt-950: #011332;
}
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