Cobalt

#27338B

Blue

Color Codes

All color formats for development

HEX
#27338B
RGB
rgb(39, 51, 139)
HSL
hsl(233, 56%, 35%)
OKLCH
oklch(0.37 0.146 271.3)
CMYK
cmyk(72%, 63%, 0%, 45%)

Accessibility

WCAG contrast compliance

On White Background

10.87:1

AA AAA

On Black Background

1.93:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F4
100
#E3E5
200
#CBD0
300
#A4AB
400
#747F
500
#4C5B
600
#3140
700
#2733
800
#1C24
900
#1217
950
#0B0F

Shades

Darker variations

1#232E7D
2#1F296F
3#1B2461
4#181F54
5#141946
6#101438
7#0C0F2A
8#080A1C
9#04050E

Tints

Lighter variations

1#2F3CA5
2#3646BF
3#4A59CC
4#6471D3
5#7E89DB
6#98A0E2
7#B1B8E9
8#CBD0F0
9#E5E7F8

Tones

Muted variations

1#2C3786
2#313B81
3#363E7C
4#3B4277
5#404672
6#454A6D
7#4A4E68
8#4F5263
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
CBD0
#CBD0F0
Secondary backgroundsInput backgroundsDividers
300
A4AB
#A4ABE5
BordersInactive statesPlaceholder text
400
747F
#747FD8
Disabled statesSecondary iconsMuted text
500
4C5B
#4C5BCD
Primary brand colorCTAsActive elementsLinks
600
3140
#3140AF
Hover statesFocus ringsPrimary buttons hover
700
2733
#27338B
Active/pressed statesDark mode accentsSecondary text
800
1C24
#1C2463
Text on light backgroundsHeadingsStrong borders
900
1217
#121740
Primary textHigh emphasis contentDark headings
950
0B0F
#0B0F28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FC;
  --cobalt-100: #E3E5F7;
  --cobalt-200: #CBD0F0;
  --cobalt-300: #A4ABE5;
  --cobalt-400: #747FD8;
  --cobalt-500: #4C5BCD;
  --cobalt-600: #3140AF;
  --cobalt-700: #27338B;
  --cobalt-800: #1C2463;
  --cobalt-900: #121740;
  --cobalt-950: #0B0F28;
}
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