Cobalt

#0F20A3

Blue

Color Codes

All color formats for development

HEX
#0F20A3
RGB
rgb(15, 32, 163)
HSL
hsl(233, 83%, 35%)
OKLCH
oklch(0.355 0.203 266.3)
CMYK
cmyk(91%, 80%, 0%, 36%)

Accessibility

WCAG contrast compliance

On White Background

11.96:1

AA AAA

On Black Background

1.76:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F2
100
#DEE2
200
#C2C9
300
#949F
400
#5C6D
500
#2D43
600
#1329
700
#0F20
800
#0B17
900
#070F
950
#0409

Shades

Darker variations

1#0E1D93
2#0C1A83
3#0B1772
4#091362
5#081052
6#060D41
7#050A31
8#030621
9#020310

Tints

Lighter variations

1#1226C2
2#152DE0
3#2B41EB
4#495CEE
5#6777F1
6#8693F4
7#A4AEF7
8#C2C9F9
9#E1E4FC

Tones

Muted variations

1#17269C
2#1E2C95
3#25318D
4#2D3786
5#343D7E
6#3C4377
7#43486F
8#4A4E68
9#525461

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F2
#F1F2FE
BackgroundsSubtle highlightsCard backgrounds
100
DEE2
#DEE2FC
Light backgroundsTable row hoverSkeleton loading
200
C2C9
#C2C9F9
Secondary backgroundsInput backgroundsDividers
300
949F
#949FF5
BordersInactive statesPlaceholder text
400
5C6D
#5C6DF0
Disabled statesSecondary iconsMuted text
500
2D43
#2D43EB
Primary brand colorCTAsActive elementsLinks
600
1329
#1329CD
Hover statesFocus ringsPrimary buttons hover
700
0F20
#0F20A3
Active/pressed statesDark mode accentsSecondary text
800
0B17
#0B1775
Text on light backgroundsHeadingsStrong borders
900
070F
#070F4B
Primary textHigh emphasis contentDark headings
950
0409
#04092F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F2FE;
  --cobalt-100: #DEE2FC;
  --cobalt-200: #C2C9F9;
  --cobalt-300: #949FF5;
  --cobalt-400: #5C6DF0;
  --cobalt-500: #2D43EB;
  --cobalt-600: #1329CD;
  --cobalt-700: #0F20A3;
  --cobalt-800: #0B1775;
  --cobalt-900: #070F4B;
  --cobalt-950: #04092F;
}
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