Cobalt

#01487E

Blue

Color Codes

All color formats for development

HEX
#01487E
RGB
rgb(1, 72, 126)
HSL
hsl(206, 98%, 25%)
OKLCH
oklch(0.395 0.11 249.6)
CMYK
cmyk(99%, 43%, 0%, 51%)

Accessibility

WCAG contrast compliance

On White Background

9.42:1

AA AAA

On Black Background

2.23:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F8
100
#DCEF
200
#BDE2
300
#8BCC
400
#4EB1
500
#1C9B
600
#027F
700
#0265
800
#0148
900
#012E
950
#011D

Shades

Darker variations

1#014172
2#013A65
3#013258
4#012B4C
5#01243F
6#011D32
7#001626
8#000E19
9#00070D

Tints

Lighter variations

1#025EA4
2#0273CA
3#0289F0
4#1C9BFD
5#42ACFD
6#68BCFD
7#8DCDFE
8#B3DEFE
9#D9EEFF

Tones

Muted variations

1#084778
2#0E4672
3#14466B
4#1A4565
5#21445F
6#274359
7#2D4252
8#33414C
9#3A4146

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F8
#F0F8FF
BackgroundsSubtle highlightsCard backgrounds
100
DCEF
#DCEFFF
Light backgroundsTable row hoverSkeleton loading
200
BDE2
#BDE2FE
Secondary backgroundsInput backgroundsDividers
300
8BCC
#8BCCFE
BordersInactive statesPlaceholder text
400
4EB1
#4EB1FD
Disabled statesSecondary iconsMuted text
500
1C9B
#1C9BFD
Primary brand colorCTAsActive elementsLinks
600
027F
#027FDE
Hover statesFocus ringsPrimary buttons hover
700
0265
#0265B1
Active/pressed statesDark mode accentsSecondary text
800
0148
#01487E
Text on light backgroundsHeadingsStrong borders
900
012E
#012E51
Primary textHigh emphasis contentDark headings
950
011D
#011D32
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F8FF;
  --cobalt-100: #DCEFFF;
  --cobalt-200: #BDE2FE;
  --cobalt-300: #8BCCFE;
  --cobalt-400: #4EB1FD;
  --cobalt-500: #1C9BFD;
  --cobalt-600: #027FDE;
  --cobalt-700: #0265B1;
  --cobalt-800: #01487E;
  --cobalt-900: #012E51;
  --cobalt-950: #011D32;
}
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