Cobalt

#0F4DA3

Blue

Color Codes

All color formats for development

HEX
#0F4DA3
RGB
rgb(15, 77, 163)
HSL
hsl(215, 83%, 35%)
OKLCH
oklch(0.437 0.152 258.5)
CMYK
cmyk(91%, 53%, 0%, 36%)

Accessibility

WCAG contrast compliance

On White Background

8.04:1

AA AAA

On Black Background

2.61:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F6
100
#DEEB
200
#C2D9
300
#94BC
400
#5C99
500
#2D7C
600
#1361
700
#0F4D
800
#0B37
900
#0723
950
#0416

Shades

Darker variations

1#0E4593
2#0C3E83
3#0B3672
4#092E62
5#082652
6#061F41
7#051731
8#030F21
9#020810

Tints

Lighter variations

1#125BC2
2#1569E0
3#2B7BEB
4#498EEE
5#67A1F1
6#86B4F4
7#A4C6F7
8#C2D9F9
9#E1ECFC

Tones

Muted variations

1#174E9C
2#1E4F95
3#25518D
4#2D5286
5#34537E
6#3C5477
7#43566F
8#4A5768
9#525861

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F6
#F1F6FE
BackgroundsSubtle highlightsCard backgrounds
100
DEEB
#DEEBFC
Light backgroundsTable row hoverSkeleton loading
200
C2D9
#C2D9F9
Secondary backgroundsInput backgroundsDividers
300
94BC
#94BCF5
BordersInactive statesPlaceholder text
400
5C99
#5C99F0
Disabled statesSecondary iconsMuted text
500
2D7C
#2D7CEB
Primary brand colorCTAsActive elementsLinks
600
1361
#1361CD
Hover statesFocus ringsPrimary buttons hover
700
0F4D
#0F4DA3
Active/pressed statesDark mode accentsSecondary text
800
0B37
#0B3775
Text on light backgroundsHeadingsStrong borders
900
0723
#07234B
Primary textHigh emphasis contentDark headings
950
0416
#04162F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F6FE;
  --cobalt-100: #DEEBFC;
  --cobalt-200: #C2D9F9;
  --cobalt-300: #94BCF5;
  --cobalt-400: #5C99F0;
  --cobalt-500: #2D7CEB;
  --cobalt-600: #1361CD;
  --cobalt-700: #0F4DA3;
  --cobalt-800: #0B3775;
  --cobalt-900: #07234B;
  --cobalt-950: #04162F;
}
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