Cobalt

#0F3EA3

Blue

Color Codes

All color formats for development

HEX
#0F3EA3
RGB
rgb(15, 62, 163)
HSL
hsl(221, 83%, 35%)
OKLCH
oklch(0.405 0.171 262.7)
CMYK
cmyk(91%, 62%, 0%, 36%)

Accessibility

WCAG contrast compliance

On White Background

9.38:1

AA AAA

On Black Background

2.24:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F5
100
#DEE8
200
#C2D4
300
#94B3
400
#5C8B
500
#2D69
600
#134E
700
#0F3E
800
#0B2C
900
#071C
950
#0412

Shades

Darker variations

1#0E3893
2#0C3283
3#0B2B72
4#092562
5#081F52
6#061941
7#051331
8#030C21
9#020610

Tints

Lighter variations

1#124AC2
2#1555E0
3#2B68EB
4#497DEE
5#6793F1
6#86A9F4
7#A4BEF7
8#C2D4F9
9#E1E9FC

Tones

Muted variations

1#17419C
2#1E4495
3#25468D
4#2D4986
5#344C7E
6#3C4E77
7#43516F
8#4A5468
9#525761

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F5
#F1F5FE
BackgroundsSubtle highlightsCard backgrounds
100
DEE8
#DEE8FC
Light backgroundsTable row hoverSkeleton loading
200
C2D4
#C2D4F9
Secondary backgroundsInput backgroundsDividers
300
94B3
#94B3F5
BordersInactive statesPlaceholder text
400
5C8B
#5C8BF0
Disabled statesSecondary iconsMuted text
500
2D69
#2D69EB
Primary brand colorCTAsActive elementsLinks
600
134E
#134ECD
Hover statesFocus ringsPrimary buttons hover
700
0F3E
#0F3EA3
Active/pressed statesDark mode accentsSecondary text
800
0B2C
#0B2C75
Text on light backgroundsHeadingsStrong borders
900
071C
#071C4B
Primary textHigh emphasis contentDark headings
950
0412
#04122F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F5FE;
  --cobalt-100: #DEE8FC;
  --cobalt-200: #C2D4F9;
  --cobalt-300: #94B3F5;
  --cobalt-400: #5C8BF0;
  --cobalt-500: #2D69EB;
  --cobalt-600: #134ECD;
  --cobalt-700: #0F3EA3;
  --cobalt-800: #0B2C75;
  --cobalt-900: #071C4B;
  --cobalt-950: #04122F;
}
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