Cobalt

#2830B8

Blue

Color Codes

All color formats for development

HEX
#2830B8
RGB
rgb(40, 48, 184)
HSL
hsl(237, 64%, 44%)
OKLCH
oklch(0.411 0.207 270.4)
CMYK
cmyk(78%, 74%, 0%, 28%)

Accessibility

WCAG contrast compliance

On White Background

9.52:1

AA AAA

On Black Background

2.21:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F3
100
#E2E3
200
#C9CB
300
#9FA3
400
#6D72
500
#434A
600
#2830
700
#2026
800
#171B
900
#0F11
950
#090B

Shades

Darker variations

1#242BA6
2#202693
3#1C2181
4#181D6E
5#14185C
6#10134A
7#0C0E37
8#080A25
9#040512

Tints

Lighter variations

1#2E36CF
2#444BD6
3#5B61DB
4#7278E0
5#8A8EE5
6#A1A5EA
7#B9BBF0
8#D0D2F5
9#E8E8FA

Tones

Muted variations

1#3036B1
2#373CAA
3#3E43A2
4#45499B
5#4C5094
6#53568D
7#5B5D86
8#62637F
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
C9CB
#C9CBF3
Secondary backgroundsInput backgroundsDividers
300
9FA3
#9FA3EA
BordersInactive statesPlaceholder text
400
6D72
#6D72DF
Disabled statesSecondary iconsMuted text
500
434A
#434AD6
Primary brand colorCTAsActive elementsLinks
600
2830
#2830B8
Hover statesFocus ringsPrimary buttons hover
700
2026
#202692
Active/pressed statesDark mode accentsSecondary text
800
171B
#171B69
Text on light backgroundsHeadingsStrong borders
900
0F11
#0F1143
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: #C9CBF3;
  --cobalt-300: #9FA3EA;
  --cobalt-400: #6D72DF;
  --cobalt-500: #434AD6;
  --cobalt-600: #2830B8;
  --cobalt-700: #202692;
  --cobalt-800: #171B69;
  --cobalt-900: #0F1143;
  --cobalt-950: #090B2A;
}
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