Cobalt

#2828B8

Blue

Color Codes

All color formats for development

HEX
#2828B8
RGB
rgb(40, 40, 184)
HSL
hsl(240, 64%, 44%)
OKLCH
oklch(0.4 0.215 271.2)
CMYK
cmyk(78%, 78%, 0%, 28%)

Accessibility

WCAG contrast compliance

On White Background

10.07:1

AA AAA

On Black Background

2.09:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F2
100
#E2E2
200
#C9C9
300
#9F9F
400
#6D6D
500
#4343
600
#2828
700
#2020
800
#1717
900
#0F0F
950
#0909

Shades

Darker variations

1#2424A6
2#202093
3#1C1C81
4#18186E
5#14145C
6#10104A
7#0C0C37
8#080825
9#040412

Tints

Lighter variations

1#2E2ECF
2#4444D6
3#5B5BDB
4#7272E0
5#8A8AE5
6#A1A1EA
7#B9B9F0
8#D0D0F5
9#E8E8FA

Tones

Muted variations

1#3030B1
2#3737AA
3#3E3EA2
4#45459B
5#4C4C94
6#53538D
7#5B5B86
8#62627F
9#696977

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F2
#F2F2FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E2
#E2E2F9
Light backgroundsTable row hoverSkeleton loading
200
C9C9
#C9C9F3
Secondary backgroundsInput backgroundsDividers
300
9F9F
#9F9FEA
BordersInactive statesPlaceholder text
400
6D6D
#6D6DDF
Disabled statesSecondary iconsMuted text
500
4343
#4343D6
Primary brand colorCTAsActive elementsLinks
600
2828
#2828B8
Hover statesFocus ringsPrimary buttons hover
700
2020
#202092
Active/pressed statesDark mode accentsSecondary text
800
1717
#171769
Text on light backgroundsHeadingsStrong borders
900
0F0F
#0F0F43
Primary textHigh emphasis contentDark headings
950
0909
#09092A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F2FC;
  --cobalt-100: #E2E2F9;
  --cobalt-200: #C9C9F3;
  --cobalt-300: #9F9FEA;
  --cobalt-400: #6D6DDF;
  --cobalt-500: #4343D6;
  --cobalt-600: #2828B8;
  --cobalt-700: #202092;
  --cobalt-800: #171769;
  --cobalt-900: #0F0F43;
  --cobalt-950: #09092A;
}
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