Cobalt

#3539AC

Blue

Color Codes

All color formats for development

HEX
#3539AC
RGB
rgb(53, 57, 172)
HSL
hsl(238, 53%, 44%)
OKLCH
oklch(0.42 0.179 274.1)
CMYK
cmyk(69%, 67%, 0%, 33%)

Accessibility

WCAG contrast compliance

On White Background

9.00:1

AA AAA

On Black Background

2.33:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F4
100
#E4E4
200
#CCCD
300
#A5A7
400
#767A
500
#4F53
600
#3539
700
#2A2D
800
#1E20
900
#1315
950
#0C0D

Shades

Darker variations

1#2F339A
2#2A2D89
3#252878
4#202267
5#1A1C56
6#151745
7#101133
8#0B0B22
9#050611

Tints

Lighter variations

1#3B40C2
2#5054C9
3#666AD0
4#7C7FD7
5#9294DD
6#A8AAE4
7#BDBFEB
8#D3D4F2
9#E9EAF8

Tones

Muted variations

1#3B3EA6
2#4144A0
3#47499A
4#4D4F94
5#52548E
6#585A88
7#5E6082
8#64657C
9#6A6B76

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F4
#F3F4FB
BackgroundsSubtle highlightsCard backgrounds
100
E4E4
#E4E4F7
Light backgroundsTable row hoverSkeleton loading
200
CCCD
#CCCDEF
Secondary backgroundsInput backgroundsDividers
300
A5A7
#A5A7E3
BordersInactive statesPlaceholder text
400
767A
#767AD5
Disabled statesSecondary iconsMuted text
500
4F53
#4F53C9
Primary brand colorCTAsActive elementsLinks
600
3539
#3539AC
Hover statesFocus ringsPrimary buttons hover
700
2A2D
#2A2D89
Active/pressed statesDark mode accentsSecondary text
800
1E20
#1E2062
Text on light backgroundsHeadingsStrong borders
900
1315
#13153E
Primary textHigh emphasis contentDark headings
950
0C0D
#0C0D27
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FB;
  --cobalt-100: #E4E4F7;
  --cobalt-200: #CCCDEF;
  --cobalt-300: #A5A7E3;
  --cobalt-400: #767AD5;
  --cobalt-500: #4F53C9;
  --cobalt-600: #3539AC;
  --cobalt-700: #2A2D89;
  --cobalt-800: #1E2062;
  --cobalt-900: #13153E;
  --cobalt-950: #0C0D27;
}
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