Cobalt

#213991

Blue

Color Codes

All color formats for development

HEX
#213991
RGB
rgb(33, 57, 145)
HSL
hsl(227, 63%, 35%)
OKLCH
oklch(0.384 0.148 267.2)
CMYK
cmyk(77%, 61%, 0%, 43%)

Accessibility

WCAG contrast compliance

On White Background

10.20:1

AA AAA

On Black Background

2.06:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E2E7
200
#C9D2
300
#9FAF
400
#6E86
500
#4463
600
#2A48
700
#2139
800
#1829
900
#0F1A
950
#0910

Shades

Darker variations

1#1E3483
2#1A2E74
3#172866
4#142257
5#111D49
6#0D173A
7#0A112C
8#070B1D
9#03060F

Tints

Lighter variations

1#2744AC
2#2D4FC8
3#4262D4
4#5D78DA
5#788FE0
6#93A5E6
7#AEBCED
8#C9D2F3
9#E4E9F9

Tones

Muted variations

1#273D8C
2#2C4086
3#324381
4#38467B
5#3D4975
6#434D70
7#48506A
8#4E5364
9#54565F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E7
#E2E7F8
Light backgroundsTable row hoverSkeleton loading
200
C9D2
#C9D2F3
Secondary backgroundsInput backgroundsDividers
300
9FAF
#9FAFE9
BordersInactive statesPlaceholder text
400
6E86
#6E86DE
Disabled statesSecondary iconsMuted text
500
4463
#4463D5
Primary brand colorCTAsActive elementsLinks
600
2A48
#2A48B7
Hover statesFocus ringsPrimary buttons hover
700
2139
#213991
Active/pressed statesDark mode accentsSecondary text
800
1829
#182968
Text on light backgroundsHeadingsStrong borders
900
0F1A
#0F1A43
Primary textHigh emphasis contentDark headings
950
0910
#09102A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FC;
  --cobalt-100: #E2E7F8;
  --cobalt-200: #C9D2F3;
  --cobalt-300: #9FAFE9;
  --cobalt-400: #6E86DE;
  --cobalt-500: #4463D5;
  --cobalt-600: #2A48B7;
  --cobalt-700: #213991;
  --cobalt-800: #182968;
  --cobalt-900: #0F1A43;
  --cobalt-950: #09102A;
}
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