Cobalt

#282DB8

Blue

Color Codes

All color formats for development

HEX
#282DB8
RGB
rgb(40, 45, 184)
HSL
hsl(238, 64%, 44%)
OKLCH
oklch(0.406 0.21 270.8)
CMYK
cmyk(78%, 76%, 0%, 28%)

Accessibility

WCAG contrast compliance

On White Background

9.73:1

AA AAA

On Black Background

2.16:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F3
100
#E2E2
200
#C9CA
300
#9FA1
400
#6D70
500
#4348
600
#282D
700
#2024
800
#171A
900
#0F10
950
#090A

Shades

Darker variations

1#2429A6
2#202493
3#1C2081
4#181B6E
5#14175C
6#10124A
7#0C0E37
8#080925
9#040512

Tints

Lighter variations

1#2E33CF
2#4449D6
3#5B5FDB
4#7276E0
5#8A8DE5
6#A1A4EA
7#B9BBF0
8#D0D1F5
9#E8E8FA

Tones

Muted variations

1#3034B1
2#373BAA
3#3E41A2
4#45489B
5#4C4F94
6#53558D
7#5B5C86
8#62637F
9#696977

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F3
#F2F3FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E2
#E2E2F9
Light backgroundsTable row hoverSkeleton loading
200
C9CA
#C9CAF3
Secondary backgroundsInput backgroundsDividers
300
9FA1
#9FA1EA
BordersInactive statesPlaceholder text
400
6D70
#6D70DF
Disabled statesSecondary iconsMuted text
500
4348
#4348D6
Primary brand colorCTAsActive elementsLinks
600
282D
#282DB8
Hover statesFocus ringsPrimary buttons hover
700
2024
#202492
Active/pressed statesDark mode accentsSecondary text
800
171A
#171A69
Text on light backgroundsHeadingsStrong borders
900
0F10
#0F1043
Primary textHigh emphasis contentDark headings
950
090A
#090A2A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F3FC;
  --cobalt-100: #E2E2F9;
  --cobalt-200: #C9CAF3;
  --cobalt-300: #9FA1EA;
  --cobalt-400: #6D70DF;
  --cobalt-500: #4348D6;
  --cobalt-600: #282DB8;
  --cobalt-700: #202492;
  --cobalt-800: #171A69;
  --cobalt-900: #0F1043;
  --cobalt-950: #090A2A;
}
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