Cobalt

#023FB1

Blue

Color Codes

All color formats for development

HEX
#023FB1
RGB
rgb(2, 63, 177)
HSL
hsl(219, 98%, 35%)
OKLCH
oklch(0.418 0.189 261.9)
CMYK
cmyk(99%, 64%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

8.94:1

AA AAA

On Black Background

2.35:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F5
100
#DCE8
200
#BDD4
300
#8BB3
400
#4E8C
500
#1C6B
600
#024F
700
#023F
800
#012D
900
#011D
950
#0112

Shades

Darker variations

1#02399F
2#01328D
3#012C7C
4#01266A
5#012058
6#011947
7#011335
8#000D23
9#000612

Tints

Lighter variations

1#024BD2
2#0256F2
3#1969FD
4#3A7EFD
5#5B94FD
6#7CA9FE
7#9DBFFE
8#BDD4FE
9#DEEAFF

Tones

Muted variations

1#0B42A8
2#13449F
3#1C4796
4#254A8E
5#2E4C85
6#364F7C
7#3F5173
8#48546B
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
BDD4
#BDD4FE
Secondary backgroundsInput backgroundsDividers
300
8BB3
#8BB3FE
BordersInactive statesPlaceholder text
400
4E8C
#4E8CFD
Disabled statesSecondary iconsMuted text
500
1C6B
#1C6BFD
Primary brand colorCTAsActive elementsLinks
600
024F
#024FDE
Hover statesFocus ringsPrimary buttons hover
700
023F
#023FB1
Active/pressed statesDark mode accentsSecondary text
800
012D
#012D7E
Text on light backgroundsHeadingsStrong borders
900
011D
#011D51
Primary textHigh emphasis contentDark headings
950
0112
#011232
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F5FF;
  --cobalt-100: #DCE8FF;
  --cobalt-200: #BDD4FE;
  --cobalt-300: #8BB3FE;
  --cobalt-400: #4E8CFD;
  --cobalt-500: #1C6BFD;
  --cobalt-600: #024FDE;
  --cobalt-700: #023FB1;
  --cobalt-800: #012D7E;
  --cobalt-900: #011D51;
  --cobalt-950: #011232;
}
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