Cobalt

#01427E

Blue

Color Codes

All color formats for development

HEX
#01427E
RGB
rgb(1, 66, 126)
HSL
hsl(209, 98%, 25%)
OKLCH
oklch(0.38 0.117 253.2)
CMYK
cmyk(99%, 48%, 0%, 51%)

Accessibility

WCAG contrast compliance

On White Background

10.09:1

AA AAA

On Black Background

2.08:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F8
100
#DCEE
200
#BDDF
300
#8BC6
400
#4EA9
500
#1C90
600
#0274
700
#025C
800
#0142
900
#012A
950
#011A

Shades

Darker variations

1#013B72
2#013565
3#012E58
4#01274C
5#01213F
6#011A32
7#001426
8#000D19
9#00070D

Tints

Lighter variations

1#0256A4
2#0269CA
3#027DF0
4#1C90FD
5#42A2FD
6#68B5FD
7#8DC7FE
8#B3DAFE
9#D9ECFF

Tones

Muted variations

1#084278
2#0E4172
3#14416B
4#1A4165
5#21415F
6#274159
7#2D4052
8#33404C
9#3A4046

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F8
#F0F8FF
BackgroundsSubtle highlightsCard backgrounds
100
DCEE
#DCEEFF
Light backgroundsTable row hoverSkeleton loading
200
BDDF
#BDDFFE
Secondary backgroundsInput backgroundsDividers
300
8BC6
#8BC6FE
BordersInactive statesPlaceholder text
400
4EA9
#4EA9FD
Disabled statesSecondary iconsMuted text
500
1C90
#1C90FD
Primary brand colorCTAsActive elementsLinks
600
0274
#0274DE
Hover statesFocus ringsPrimary buttons hover
700
025C
#025CB1
Active/pressed statesDark mode accentsSecondary text
800
0142
#01427E
Text on light backgroundsHeadingsStrong borders
900
012A
#012A51
Primary textHigh emphasis contentDark headings
950
011A
#011A32
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F8FF;
  --cobalt-100: #DCEEFF;
  --cobalt-200: #BDDFFE;
  --cobalt-300: #8BC6FE;
  --cobalt-400: #4EA9FD;
  --cobalt-500: #1C90FD;
  --cobalt-600: #0274DE;
  --cobalt-700: #025CB1;
  --cobalt-800: #01427E;
  --cobalt-900: #012A51;
  --cobalt-950: #011A32;
}
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