Cobalt

#2B4D88

Blue

Color Codes

All color formats for development

HEX
#2B4D88
RGB
rgb(43, 77, 136)
HSL
hsl(218, 52%, 35%)
OKLCH
oklch(0.426 0.106 260.6)
CMYK
cmyk(68%, 43%, 0%, 47%)

Accessibility

WCAG contrast compliance

On White Background

8.33:1

AA AAA

On Black Background

2.52:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F6
100
#E4EB
200
#CDD9
300
#A6BC
400
#7799
500
#517C
600
#3661
700
#2B4D
800
#1F37
900
#1423
950
#0C16

Shades

Darker variations

1#27457A
2#223D6D
3#1E365F
4#1A2E51
5#152644
6#111F36
7#0D1729
8#090F1B
9#04080E

Tints

Lighter variations

1#335BA1
2#3B69BA
3#4F7BC7
4#688ECF
5#81A1D7
6#9AB4DF
7#B3C6E7
8#CDD9EF
9#E6ECF7

Tones

Muted variations

1#2F4E83
2#344F7E
3#39517A
4#3D5275
5#425370
6#47546C
7#4B5667
8#505763
9#55585E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F6
#F3F6FB
BackgroundsSubtle highlightsCard backgrounds
100
E4EB
#E4EBF6
Light backgroundsTable row hoverSkeleton loading
200
CDD9
#CDD9EF
Secondary backgroundsInput backgroundsDividers
300
A6BC
#A6BCE3
BordersInactive statesPlaceholder text
400
7799
#7799D4
Disabled statesSecondary iconsMuted text
500
517C
#517CC8
Primary brand colorCTAsActive elementsLinks
600
3661
#3661AB
Hover statesFocus ringsPrimary buttons hover
700
2B4D
#2B4D88
Active/pressed statesDark mode accentsSecondary text
800
1F37
#1F3761
Text on light backgroundsHeadingsStrong borders
900
1423
#14233E
Primary textHigh emphasis contentDark headings
950
0C16
#0C1627
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F6FB;
  --cobalt-100: #E4EBF6;
  --cobalt-200: #CDD9EF;
  --cobalt-300: #A6BCE3;
  --cobalt-400: #7799D4;
  --cobalt-500: #517CC8;
  --cobalt-600: #3661AB;
  --cobalt-700: #2B4D88;
  --cobalt-800: #1F3761;
  --cobalt-900: #14233E;
  --cobalt-950: #0C1627;
}
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