Cobalt

#28328A

Blue

Color Codes

All color formats for development

HEX
#28328A
RGB
rgb(40, 50, 138)
HSL
hsl(234, 55%, 35%)
OKLCH
oklch(0.368 0.145 272.1)
CMYK
cmyk(71%, 64%, 0%, 46%)

Accessibility

WCAG contrast compliance

On White Background

10.97:1

AA AAA

On Black Background

1.91:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F4
100
#E3E5
200
#CCCF
300
#A4AB
400
#757E
500
#4D5A
600
#323F
700
#2832
800
#1D24
900
#1217
950
#0B0E

Shades

Darker variations

1#242D7D
2#20286F
3#1C2361
4#181E53
5#141945
6#101437
7#0C0F2A
8#080A1C
9#04050E

Tints

Lighter variations

1#303BA4
2#3745BE
3#4B58CB
4#6570D2
5#7F88DA
6#98A0E1
7#B2B7E9
8#CCCFF0
9#E5E7F8

Tones

Muted variations

1#2D3685
2#323A81
3#373E7C
4#3C4277
5#414672
6#464A6D
7#4B4D68
8#4F5163
9#54555E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F4
#F3F4FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E5
#E3E5F7
Light backgroundsTable row hoverSkeleton loading
200
CCCF
#CCCFF0
Secondary backgroundsInput backgroundsDividers
300
A4AB
#A4ABE5
BordersInactive statesPlaceholder text
400
757E
#757ED7
Disabled statesSecondary iconsMuted text
500
4D5A
#4D5ACB
Primary brand colorCTAsActive elementsLinks
600
323F
#323FAE
Hover statesFocus ringsPrimary buttons hover
700
2832
#28328A
Active/pressed statesDark mode accentsSecondary text
800
1D24
#1D2463
Text on light backgroundsHeadingsStrong borders
900
1217
#12173F
Primary textHigh emphasis contentDark headings
950
0B0E
#0B0E28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FC;
  --cobalt-100: #E3E5F7;
  --cobalt-200: #CCCFF0;
  --cobalt-300: #A4ABE5;
  --cobalt-400: #757ED7;
  --cobalt-500: #4D5ACB;
  --cobalt-600: #323FAE;
  --cobalt-700: #28328A;
  --cobalt-800: #1D2463;
  --cobalt-900: #12173F;
  --cobalt-950: #0B0E28;
}
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