Cobalt

#0F3CD2

Blue

Color Codes

All color formats for development

HEX
#0F3CD2
RGB
rgb(15, 60, 210)
HSL
hsl(226, 87%, 44%)
OKLCH
oklch(0.449 0.232 264.5)
CMYK
cmyk(93%, 71%, 0%, 18%)

Accessibility

WCAG contrast compliance

On White Background

8.09:1

AA AAA

On Black Background

2.60:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F4
100
#DEE5
200
#C1CE
300
#91A9
400
#587C
500
#2857
600
#0F3C
700
#0C30
800
#0822
900
#0516
950
#030E

Shades

Darker variations

1#0D36BD
2#0C30A8
3#0A2A93
4#09247E
5#071E69
6#061854
7#04123F
8#030C2A
9#010615

Tints

Lighter variations

1#1044ED
2#2958F0
3#446DF2
4#5F82F4
5#7996F6
6#94ABF8
7#AFC0F9
8#CAD5FB
9#E4EAFD

Tones

Muted variations

1#1841C8
2#2247BE
3#2C4CB5
4#3651AB
5#3F56A1
6#495B97
7#53618D
8#5D6684
9#666B7A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F4
#F1F4FE
BackgroundsSubtle highlightsCard backgrounds
100
DEE5
#DEE5FD
Light backgroundsTable row hoverSkeleton loading
200
C1CE
#C1CEFB
Secondary backgroundsInput backgroundsDividers
300
91A9
#91A9F7
BordersInactive statesPlaceholder text
400
587C
#587CF3
Disabled statesSecondary iconsMuted text
500
2857
#2857F0
Primary brand colorCTAsActive elementsLinks
600
0F3C
#0F3CD2
Hover statesFocus ringsPrimary buttons hover
700
0C30
#0C30A7
Active/pressed statesDark mode accentsSecondary text
800
0822
#082277
Text on light backgroundsHeadingsStrong borders
900
0516
#05164C
Primary textHigh emphasis contentDark headings
950
030E
#030E30
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F4FE;
  --cobalt-100: #DEE5FD;
  --cobalt-200: #C1CEFB;
  --cobalt-300: #91A9F7;
  --cobalt-400: #587CF3;
  --cobalt-500: #2857F0;
  --cobalt-600: #0F3CD2;
  --cobalt-700: #0C30A7;
  --cobalt-800: #082277;
  --cobalt-900: #05164C;
  --cobalt-950: #030E30;
}
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