Cobalt

#02507E

Blue

Color Codes

All color formats for development

HEX
#02507E
RGB
rgb(2, 80, 126)
HSL
hsl(202, 97%, 25%)
OKLCH
oklch(0.415 0.101 243.8)
CMYK
cmyk(98%, 37%, 0%, 51%)

Accessibility

WCAG contrast compliance

On White Background

8.57:1

AA AAA

On Black Background

2.45:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F9
100
#DCF2
200
#BEE6
300
#8BD4
400
#4FBD
500
#1DAA
600
#038D
700
#0370
800
#0250
900
#0133
950
#0120

Shades

Darker variations

1#024871
2#024064
3#013858
4#01304B
5#01283F
6#012032
7#011826
8#001019
9#00080D

Tints

Lighter variations

1#0268A3
2#0380C9
3#0498EF
4#1DAAFC
5#43B8FC
6#68C6FD
7#8ED4FD
8#B4E3FE
9#D9F1FE

Tones

Muted variations

1#084F77
2#0E4D71
3#144B6B
4#1B4A65
5#21485F
6#274658
7#2D4552
8#33434C
9#3A4146

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F9
#F0F9FF
BackgroundsSubtle highlightsCard backgrounds
100
DCF2
#DCF2FE
Light backgroundsTable row hoverSkeleton loading
200
BEE6
#BEE6FE
Secondary backgroundsInput backgroundsDividers
300
8BD4
#8BD4FD
BordersInactive statesPlaceholder text
400
4FBD
#4FBDFC
Disabled statesSecondary iconsMuted text
500
1DAA
#1DAAFC
Primary brand colorCTAsActive elementsLinks
600
038D
#038DDD
Hover statesFocus ringsPrimary buttons hover
700
0370
#0370B0
Active/pressed statesDark mode accentsSecondary text
800
0250
#02507E
Text on light backgroundsHeadingsStrong borders
900
0133
#013350
Primary textHigh emphasis contentDark headings
950
0120
#012032
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F9FF;
  --cobalt-100: #DCF2FE;
  --cobalt-200: #BEE6FE;
  --cobalt-300: #8BD4FD;
  --cobalt-400: #4FBDFC;
  --cobalt-500: #1DAAFC;
  --cobalt-600: #038DDD;
  --cobalt-700: #0370B0;
  --cobalt-800: #02507E;
  --cobalt-900: #013350;
  --cobalt-950: #012032;
}
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