Cobalt

#2A4B89

Blue

Color Codes

All color formats for development

HEX
#2A4B89
RGB
rgb(42, 75, 137)
HSL
hsl(219, 53%, 35%)
OKLCH
oklch(0.422 0.11 261.8)
CMYK
cmyk(69%, 45%, 0%, 46%)

Accessibility

WCAG contrast compliance

On White Background

8.52:1

AA AAA

On Black Background

2.47:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F6
100
#E4EA
200
#CCD9
300
#A5BB
400
#7698
500
#4F7A
600
#355E
700
#2A4B
800
#1E36
900
#1322
950
#0C15

Shades

Darker variations

1#26447B
2#223C6D
3#1D3560
4#192D52
5#152644
6#111E37
7#0D1729
8#080F1B
9#04080E

Tints

Lighter variations

1#3259A2
2#3A67BB
3#4D79C8
4#678CD0
5#809FD8
6#9AB2E0
7#B3C5E8
8#CCD9EF
9#E6ECF7

Tones

Muted variations

1#2F4C84
2#334E7F
3#384F7A
4#3D5176
5#425271
6#46546C
7#4B5567
8#505663
9#55585E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F6
#F3F6FB
BackgroundsSubtle highlightsCard backgrounds
100
E4EA
#E4EAF7
Light backgroundsTable row hoverSkeleton loading
200
CCD9
#CCD9EF
Secondary backgroundsInput backgroundsDividers
300
A5BB
#A5BBE3
BordersInactive statesPlaceholder text
400
7698
#7698D5
Disabled statesSecondary iconsMuted text
500
4F7A
#4F7AC9
Primary brand colorCTAsActive elementsLinks
600
355E
#355EAC
Hover statesFocus ringsPrimary buttons hover
700
2A4B
#2A4B89
Active/pressed statesDark mode accentsSecondary text
800
1E36
#1E3662
Text on light backgroundsHeadingsStrong borders
900
1322
#13223E
Primary textHigh emphasis contentDark headings
950
0C15
#0C1527
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F6FB;
  --cobalt-100: #E4EAF7;
  --cobalt-200: #CCD9EF;
  --cobalt-300: #A5BBE3;
  --cobalt-400: #7698D5;
  --cobalt-500: #4F7AC9;
  --cobalt-600: #355EAC;
  --cobalt-700: #2A4B89;
  --cobalt-800: #1E3662;
  --cobalt-900: #13223E;
  --cobalt-950: #0C1527;
}
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