Cobalt

#02407E

Blue

Color Codes

All color formats for development

HEX
#02407E
RGB
rgb(2, 64, 126)
HSL
hsl(210, 97%, 25%)
OKLCH
oklch(0.375 0.119 254.5)
CMYK
cmyk(98%, 49%, 0%, 51%)

Accessibility

WCAG contrast compliance

On White Background

10.31:1

AA AAA

On Black Background

2.04:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F7
100
#DCED
200
#BEDE
300
#8BC4
400
#4FA6
500
#1D8C
600
#0370
700
#0359
800
#0240
900
#0129
950
#011A

Shades

Darker variations

1#023971
2#023364
3#012D58
4#01264B
5#01203F
6#011932
7#011326
8#000D19
9#00060D

Tints

Lighter variations

1#0253A3
2#0366C9
3#0479EF
4#1D8CFC
5#439FFC
6#68B2FD
7#8EC6FD
8#B4D9FE
9#D9ECFE

Tones

Muted variations

1#084077
2#0E4071
3#14406B
4#1B4065
5#21405F
6#274058
7#2D4052
8#33404C
9#3A4046

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F7
#F0F7FF
BackgroundsSubtle highlightsCard backgrounds
100
DCED
#DCEDFE
Light backgroundsTable row hoverSkeleton loading
200
BEDE
#BEDEFE
Secondary backgroundsInput backgroundsDividers
300
8BC4
#8BC4FD
BordersInactive statesPlaceholder text
400
4FA6
#4FA6FC
Disabled statesSecondary iconsMuted text
500
1D8C
#1D8CFC
Primary brand colorCTAsActive elementsLinks
600
0370
#0370DD
Hover statesFocus ringsPrimary buttons hover
700
0359
#0359B0
Active/pressed statesDark mode accentsSecondary text
800
0240
#02407E
Text on light backgroundsHeadingsStrong borders
900
0129
#012950
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: #F0F7FF;
  --cobalt-100: #DCEDFE;
  --cobalt-200: #BEDEFE;
  --cobalt-300: #8BC4FD;
  --cobalt-400: #4FA6FC;
  --cobalt-500: #1D8CFC;
  --cobalt-600: #0370DD;
  --cobalt-700: #0359B0;
  --cobalt-800: #02407E;
  --cobalt-900: #012950;
  --cobalt-950: #011A32;
}
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