Cobalt

#2731B9

Blue

Color Codes

All color formats for development

HEX
#2731B9
RGB
rgb(39, 49, 185)
HSL
hsl(236, 65%, 44%)
OKLCH
oklch(0.413 0.208 270)
CMYK
cmyk(79%, 74%, 0%, 27%)

Accessibility

WCAG contrast compliance

On White Background

9.43:1

AA AAA

On Black Background

2.23:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F3
100
#E2E3
200
#C8CB
300
#9EA3
400
#6C73
500
#424C
600
#2731
700
#1F27
800
#161C
900
#0E12
950
#090B

Shades

Darker variations

1#232CA7
2#1F2794
3#1B2282
4#181D6F
5#14185D
6#10144A
7#0C0F38
8#080A25
9#040513

Tints

Lighter variations

1#2C37D1
2#434CD7
3#5A63DC
4#7279E1
5#898FE6
6#A1A6EB
7#B8BCF0
8#D0D2F5
9#E7E9FA

Tones

Muted variations

1#2F37B2
2#363EAB
3#3D44A3
4#444A9C
5#4C5195
6#53578D
7#5A5D86
8#62647F
9#696A77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F3
#F2F3FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E3
#E2E3F9
Light backgroundsTable row hoverSkeleton loading
200
C8CB
#C8CBF3
Secondary backgroundsInput backgroundsDividers
300
9EA3
#9EA3EA
BordersInactive statesPlaceholder text
400
6C73
#6C73E0
Disabled statesSecondary iconsMuted text
500
424C
#424CD7
Primary brand colorCTAsActive elementsLinks
600
2731
#2731B9
Hover statesFocus ringsPrimary buttons hover
700
1F27
#1F2793
Active/pressed statesDark mode accentsSecondary text
800
161C
#161C69
Text on light backgroundsHeadingsStrong borders
900
0E12
#0E1243
Primary textHigh emphasis contentDark headings
950
090B
#090B2A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F3FC;
  --cobalt-100: #E2E3F9;
  --cobalt-200: #C8CBF3;
  --cobalt-300: #9EA3EA;
  --cobalt-400: #6C73E0;
  --cobalt-500: #424CD7;
  --cobalt-600: #2731B9;
  --cobalt-700: #1F2793;
  --cobalt-800: #161C69;
  --cobalt-900: #0E1243;
  --cobalt-950: #090B2A;
}
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