Cobalt

#2B5988

Blue

Color Codes

All color formats for development

HEX
#2B5988
RGB
rgb(43, 89, 136)
HSL
hsl(210, 52%, 35%)
OKLCH
oklch(0.455 0.092 251)
CMYK
cmyk(68%, 35%, 0%, 47%)

Accessibility

WCAG contrast compliance

On White Background

7.27:1

AA AAA

On Black Background

2.89:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F7
100
#E4ED
200
#CDDE
300
#A6C4
400
#77A6
500
#518C
600
#3670
700
#2B59
800
#1F40
900
#1429
950
#0C1A

Shades

Darker variations

1#27507A
2#22476D
3#1E3E5F
4#1A3651
5#152D44
6#112436
7#0D1B29
8#09121B
9#04090E

Tints

Lighter variations

1#336AA1
2#3B7ABA
3#4F8BC7
4#689CCF
5#81ACD7
6#9ABDDF
7#B3CDE7
8#CDDEEF
9#E6EEF7

Tones

Muted variations

1#2F5983
2#34597E
3#39597A
4#3D5975
5#425970
6#47596C
7#4B5967
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
CDDE
#CDDEEF
Secondary backgroundsInput backgroundsDividers
300
A6C4
#A6C4E3
BordersInactive statesPlaceholder text
400
77A6
#77A6D4
Disabled statesSecondary iconsMuted text
500
518C
#518CC8
Primary brand colorCTAsActive elementsLinks
600
3670
#3670AB
Hover statesFocus ringsPrimary buttons hover
700
2B59
#2B5988
Active/pressed statesDark mode accentsSecondary text
800
1F40
#1F4061
Text on light backgroundsHeadingsStrong borders
900
1429
#14293E
Primary textHigh emphasis contentDark headings
950
0C1A
#0C1A27
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F7FB;
  --cobalt-100: #E4EDF6;
  --cobalt-200: #CDDEEF;
  --cobalt-300: #A6C4E3;
  --cobalt-400: #77A6D4;
  --cobalt-500: #518CC8;
  --cobalt-600: #3670AB;
  --cobalt-700: #2B5988;
  --cobalt-800: #1F4061;
  --cobalt-900: #14293E;
  --cobalt-950: #0C1A27;
}
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