Cobalt

#1B5198

Blue

Color Codes

All color formats for development

HEX
#1B5198
RGB
rgb(27, 81, 152)
HSL
hsl(214, 70%, 35%)
OKLCH
oklch(0.44 0.129 256.9)
CMYK
cmyk(82%, 47%, 0%, 40%)

Accessibility

WCAG contrast compliance

On White Background

7.84:1

AA AAA

On Black Background

2.68:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F7
100
#E1EB
200
#C7DB
300
#9BBF
400
#679D
500
#3C82
600
#2266
700
#1B51
800
#133A
900
#0C25
950
#0817

Shades

Darker variations

1#184989
2#154179
3#13396A
4#10315B
5#0D284C
6#0B203D
7#08182E
8#05101E
9#03080F

Tints

Lighter variations

1#2060B4
2#256FD0
3#3A80DC
4#5692E1
5#72A4E6
6#8EB7EB
7#AAC9F0
8#C7DBF5
9#E3EDFA

Tones

Muted variations

1#215291
2#27538B
3#2E5385
4#34547F
5#3A5578
6#405672
7#47576C
8#4D5866
9#53585F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F7
#F2F7FD
BackgroundsSubtle highlightsCard backgrounds
100
E1EB
#E1EBFA
Light backgroundsTable row hoverSkeleton loading
200
C7DB
#C7DBF5
Secondary backgroundsInput backgroundsDividers
300
9BBF
#9BBFED
BordersInactive statesPlaceholder text
400
679D
#679DE4
Disabled statesSecondary iconsMuted text
500
3C82
#3C82DD
Primary brand colorCTAsActive elementsLinks
600
2266
#2266BF
Hover statesFocus ringsPrimary buttons hover
700
1B51
#1B5198
Active/pressed statesDark mode accentsSecondary text
800
133A
#133A6C
Text on light backgroundsHeadingsStrong borders
900
0C25
#0C2545
Primary textHigh emphasis contentDark headings
950
0817
#08172B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F7FD;
  --cobalt-100: #E1EBFA;
  --cobalt-200: #C7DBF5;
  --cobalt-300: #9BBFED;
  --cobalt-400: #679DE4;
  --cobalt-500: #3C82DD;
  --cobalt-600: #2266BF;
  --cobalt-700: #1B5198;
  --cobalt-800: #133A6C;
  --cobalt-900: #0C2545;
  --cobalt-950: #08172B;
}
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