Cobalt

#0F63A3

Blue

Color Codes

All color formats for development

HEX
#0F63A3
RGB
rgb(15, 99, 163)
HSL
hsl(206, 83%, 35%)
OKLCH
oklch(0.488 0.126 248.4)
CMYK
cmyk(91%, 39%, 0%, 36%)

Accessibility

WCAG contrast compliance

On White Background

6.30:1

AA AAA

On Black Background

3.33:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F8
100
#DEEF
200
#C2E2
300
#94CB
400
#5CB0
500
#2D99
600
#137D
700
#0F63
800
#0B47
900
#072D
950
#041C

Shades

Darker variations

1#0E5993
2#0C4F83
3#0B4572
4#093B62
5#083252
6#062841
7#051E31
8#031421
9#020A10

Tints

Lighter variations

1#1276C2
2#1588E0
3#2B98EB
4#49A7EE
5#67B5F1
6#86C4F4
7#A4D3F7
8#C2E2F9
9#E1F0FC

Tones

Muted variations

1#17629C
2#1E6195
3#25608D
4#2D5F86
5#345E7E
6#3C5D77
7#435C6F
8#4A5B68
9#525A61

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F8
#F1F8FE
BackgroundsSubtle highlightsCard backgrounds
100
DEEF
#DEEFFC
Light backgroundsTable row hoverSkeleton loading
200
C2E2
#C2E2F9
Secondary backgroundsInput backgroundsDividers
300
94CB
#94CBF5
BordersInactive statesPlaceholder text
400
5CB0
#5CB0F0
Disabled statesSecondary iconsMuted text
500
2D99
#2D99EB
Primary brand colorCTAsActive elementsLinks
600
137D
#137DCD
Hover statesFocus ringsPrimary buttons hover
700
0F63
#0F63A3
Active/pressed statesDark mode accentsSecondary text
800
0B47
#0B4775
Text on light backgroundsHeadingsStrong borders
900
072D
#072D4B
Primary textHigh emphasis contentDark headings
950
041C
#041C2F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F8FE;
  --cobalt-100: #DEEFFC;
  --cobalt-200: #C2E2F9;
  --cobalt-300: #94CBF5;
  --cobalt-400: #5CB0F0;
  --cobalt-500: #2D99EB;
  --cobalt-600: #137DCD;
  --cobalt-700: #0F63A3;
  --cobalt-800: #0B4775;
  --cobalt-900: #072D4B;
  --cobalt-950: #041C2F;
}
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