Cobalt

#0F1EA3

Blue

Color Codes

All color formats for development

HEX
#0F1EA3
RGB
rgb(15, 30, 163)
HSL
hsl(234, 83%, 35%)
OKLCH
oklch(0.352 0.205 266.4)
CMYK
cmyk(91%, 82%, 0%, 36%)

Accessibility

WCAG contrast compliance

On White Background

12.10:1

AA AAA

On Black Background

1.73:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F2
100
#DEE1
200
#C2C8
300
#949D
400
#5C6A
500
#2D40
600
#1326
700
#0F1E
800
#0B15
900
#070E
950
#0409

Shades

Darker variations

1#0E1B93
2#0C1883
3#0B1572
4#091262
5#080F52
6#060C41
7#050931
8#030621
9#020310

Tints

Lighter variations

1#1224C2
2#1529E0
3#2B3EEB
4#495AEE
5#6775F1
6#8691F4
7#A4ACF7
8#C2C8F9
9#E1E3FC

Tones

Muted variations

1#17249C
2#1E2A95
3#25308D
4#2D3686
5#343C7E
6#3C4277
7#43476F
8#4A4D68
9#525361

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F2
#F1F2FE
BackgroundsSubtle highlightsCard backgrounds
100
DEE1
#DEE1FC
Light backgroundsTable row hoverSkeleton loading
200
C2C8
#C2C8F9
Secondary backgroundsInput backgroundsDividers
300
949D
#949DF5
BordersInactive statesPlaceholder text
400
5C6A
#5C6AF0
Disabled statesSecondary iconsMuted text
500
2D40
#2D40EB
Primary brand colorCTAsActive elementsLinks
600
1326
#1326CD
Hover statesFocus ringsPrimary buttons hover
700
0F1E
#0F1EA3
Active/pressed statesDark mode accentsSecondary text
800
0B15
#0B1575
Text on light backgroundsHeadingsStrong borders
900
070E
#070E4B
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: #DEE1FC;
  --cobalt-200: #C2C8F9;
  --cobalt-300: #949DF5;
  --cobalt-400: #5C6AF0;
  --cobalt-500: #2D40EB;
  --cobalt-600: #1326CD;
  --cobalt-700: #0F1EA3;
  --cobalt-800: #0B1575;
  --cobalt-900: #070E4B;
  --cobalt-950: #04092F;
}
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