Cobalt

#154FCB

Blue

Color Codes

All color formats for development

HEX
#154FCB
RGB
rgb(21, 79, 203)
HSL
hsl(221, 81%, 44%)
OKLCH
oklch(0.476 0.201 262.6)
CMYK
cmyk(90%, 61%, 0%, 20%)

Accessibility

WCAG contrast compliance

On White Background

6.97:1

AA AAA

On Black Background

3.01:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F5
100
#DFE8
200
#C3D4
300
#95B3
400
#5D8B
500
#2F6A
600
#154F
700
#113F
800
#0C2D
900
#081D
950
#0512

Shades

Darker variations

1#1347B7
2#113FA2
3#0F378E
4#0D2F7A
5#0B2766
6#092051
7#06183D
8#041029
9#020814

Tints

Lighter variations

1#1859E5
2#306BE9
3#4A7DEC
4#6490EF
5#7EA2F1
6#98B5F4
7#B1C7F7
8#CBDAFA
9#E5ECFC

Tones

Muted variations

1#1E52C2
2#2756B9
3#3159B0
4#3A5CA7
5#43609E
6#4C6395
7#55668B
8#5E6A82
9#676D79

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F5
#F1F5FE
BackgroundsSubtle highlightsCard backgrounds
100
DFE8
#DFE8FC
Light backgroundsTable row hoverSkeleton loading
200
C3D4
#C3D4F9
Secondary backgroundsInput backgroundsDividers
300
95B3
#95B3F4
BordersInactive statesPlaceholder text
400
5D8B
#5D8BEE
Disabled statesSecondary iconsMuted text
500
2F6A
#2F6AE9
Primary brand colorCTAsActive elementsLinks
600
154F
#154FCB
Hover statesFocus ringsPrimary buttons hover
700
113F
#113FA2
Active/pressed statesDark mode accentsSecondary text
800
0C2D
#0C2D73
Text on light backgroundsHeadingsStrong borders
900
081D
#081D4A
Primary textHigh emphasis contentDark headings
950
0512
#05122E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F5FE;
  --cobalt-100: #DFE8FC;
  --cobalt-200: #C3D4F9;
  --cobalt-300: #95B3F4;
  --cobalt-400: #5D8BEE;
  --cobalt-500: #2F6AE9;
  --cobalt-600: #154FCB;
  --cobalt-700: #113FA2;
  --cobalt-800: #0C2D73;
  --cobalt-900: #081D4A;
  --cobalt-950: #05122E;
}
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