Cobalt

#2B5688

Blue

Color Codes

All color formats for development

HEX
#2B5688
RGB
rgb(43, 86, 136)
HSL
hsl(212, 52%, 35%)
OKLCH
oklch(0.447 0.095 253.7)
CMYK
cmyk(68%, 37%, 0%, 47%)

Accessibility

WCAG contrast compliance

On White Background

7.53:1

AA AAA

On Black Background

2.79:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F7
100
#E4ED
200
#CDDD
300
#A6C2
400
#77A3
500
#5188
600
#366C
700
#2B56
800
#1F3E
900
#1427
950
#0C19

Shades

Darker variations

1#274E7A
2#22456D
3#1E3C5F
4#1A3451
5#152B44
6#112236
7#0D1A29
8#09111B
9#04090E

Tints

Lighter variations

1#3366A1
2#3B76BA
3#4F87C7
4#6898CF
5#81A9D7
6#9ABADF
7#B3CCE7
8#CDDDEF
9#E6EEF7

Tones

Muted variations

1#2F5683
2#34577E
3#39577A
4#3D5775
5#425870
6#47586C
7#4B5867
8#505963
9#55595E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F7
#F3F7FB
BackgroundsSubtle highlightsCard backgrounds
100
E4ED
#E4EDF6
Light backgroundsTable row hoverSkeleton loading
200
CDDD
#CDDDEF
Secondary backgroundsInput backgroundsDividers
300
A6C2
#A6C2E3
BordersInactive statesPlaceholder text
400
77A3
#77A3D4
Disabled statesSecondary iconsMuted text
500
5188
#5188C8
Primary brand colorCTAsActive elementsLinks
600
366C
#366CAB
Hover statesFocus ringsPrimary buttons hover
700
2B56
#2B5688
Active/pressed statesDark mode accentsSecondary text
800
1F3E
#1F3E61
Text on light backgroundsHeadingsStrong borders
900
1427
#14273E
Primary textHigh emphasis contentDark headings
950
0C19
#0C1927
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F7FB;
  --cobalt-100: #E4EDF6;
  --cobalt-200: #CDDDEF;
  --cobalt-300: #A6C2E3;
  --cobalt-400: #77A3D4;
  --cobalt-500: #5188C8;
  --cobalt-600: #366CAB;
  --cobalt-700: #2B5688;
  --cobalt-800: #1F3E61;
  --cobalt-900: #14273E;
  --cobalt-950: #0C1927;
}
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