Cobalt

#02487E

Blue

Color Codes

All color formats for development

HEX
#02487E
RGB
rgb(2, 72, 126)
HSL
hsl(206, 97%, 25%)
OKLCH
oklch(0.395 0.11 249.7)
CMYK
cmyk(98%, 43%, 0%, 51%)

Accessibility

WCAG contrast compliance

On White Background

9.41:1

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
#BEE2
300
#8BCC
400
#4FB1
500
#1D9B
600
#037F
700
#0365
800
#0248
900
#012E
950
#011D

Shades

Darker variations

1#024171
2#023A64
3#013258
4#012B4B
5#01243F
6#011D32
7#011626
8#000E19
9#00070D

Tints

Lighter variations

1#025EA3
2#0373C9
3#0489EF
4#1D9BFC
5#43ACFC
6#68BCFD
7#8ECDFD
8#B4DEFE
9#D9EEFE

Tones

Muted variations

1#084777
2#0E4671
3#14466B
4#1B4565
5#21445F
6#274358
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
#DCEFFE
Light backgroundsTable row hoverSkeleton loading
200
BEE2
#BEE2FE
Secondary backgroundsInput backgroundsDividers
300
8BCC
#8BCCFD
BordersInactive statesPlaceholder text
400
4FB1
#4FB1FC
Disabled statesSecondary iconsMuted text
500
1D9B
#1D9BFC
Primary brand colorCTAsActive elementsLinks
600
037F
#037FDD
Hover statesFocus ringsPrimary buttons hover
700
0365
#0365B0
Active/pressed statesDark mode accentsSecondary text
800
0248
#02487E
Text on light backgroundsHeadingsStrong borders
900
012E
#012E50
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: #DCEFFE;
  --cobalt-200: #BEE2FE;
  --cobalt-300: #8BCCFD;
  --cobalt-400: #4FB1FC;
  --cobalt-500: #1D9BFC;
  --cobalt-600: #037FDD;
  --cobalt-700: #0365B0;
  --cobalt-800: #02487E;
  --cobalt-900: #012E50;
  --cobalt-950: #011D32;
}
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