Cobalt

#0457DC

Blue

Color Codes

All color formats for development

HEX
#0457DC
RGB
rgb(4, 87, 220)
HSL
hsl(217, 96%, 44%)
OKLCH
oklch(0.505 0.215 261)
CMYK
cmyk(98%, 60%, 0%, 14%)

Accessibility

WCAG contrast compliance

On White Background

6.17:1

AA AAA

On Black Background

3.40:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F6
100
#DCE9
200
#BED6
300
#8CB7
400
#5092
500
#1E73
600
#0457
700
#0445
800
#0331
900
#0220
950
#0114

Shades

Darker variations

1#044EC6
2#0446B0
3#033D9A
4#033484
5#022C6E
6#022358
7#011A42
8#01112C
9#000916

Tints

Lighter variations

1#0562F8
2#1F73FA
3#3B85FB
4#5796FC
5#73A8FC
6#8FB9FD
7#ABCBFD
8#C7DCFE
9#E3EEFE

Tones

Muted variations

1#0F5AD1
2#1A5CC6
3#255FBC
4#3061B1
5#3A64A6
6#45669B
7#506991
8#5B6B86
9#656E7B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F6
#F0F6FF
BackgroundsSubtle highlightsCard backgrounds
100
DCE9
#DCE9FE
Light backgroundsTable row hoverSkeleton loading
200
BED6
#BED6FE
Secondary backgroundsInput backgroundsDividers
300
8CB7
#8CB7FD
BordersInactive statesPlaceholder text
400
5092
#5092FB
Disabled statesSecondary iconsMuted text
500
1E73
#1E73FA
Primary brand colorCTAsActive elementsLinks
600
0457
#0457DC
Hover statesFocus ringsPrimary buttons hover
700
0445
#0445AF
Active/pressed statesDark mode accentsSecondary text
800
0331
#03317D
Text on light backgroundsHeadingsStrong borders
900
0220
#022050
Primary textHigh emphasis contentDark headings
950
0114
#011432
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F6FF;
  --cobalt-100: #DCE9FE;
  --cobalt-200: #BED6FE;
  --cobalt-300: #8CB7FD;
  --cobalt-400: #5092FB;
  --cobalt-500: #1E73FA;
  --cobalt-600: #0457DC;
  --cobalt-700: #0445AF;
  --cobalt-800: #03317D;
  --cobalt-900: #022050;
  --cobalt-950: #011432;
}
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