Cobalt

#0B57A8

Blue

Color Codes

All color formats for development

HEX
#0B57A8
RGB
rgb(11, 87, 168)
HSL
hsl(211, 88%, 35%)
OKLCH
oklch(0.463 0.147 255.3)
CMYK
cmyk(93%, 48%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

7.14:1

AA AAA

On Black Background

2.94:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F7
100
#DDED
200
#C1DD
300
#91C3
400
#57A3
500
#2789
600
#0D6D
700
#0B57
800
#083E
900
#0528
950
#0319

Shades

Darker variations

1#0A4E97
2#094586
3#073D75
4#063465
5#052B54
6#042343
7#031A32
8#021122
9#010911

Tints

Lighter variations

1#0D67C7
2#0F77E6
3#2588F1
4#4499F3
5#63AAF5
6#82BBF7
7#A2CCF9
8#C1DDFB
9#E0EEFD

Tones

Muted variations

1#1357A0
2#1A5798
3#225790
4#2A5888
5#325881
6#3A5879
7#425871
8#4A5969
9#515961

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F7
#F1F7FE
BackgroundsSubtle highlightsCard backgrounds
100
DDED
#DDEDFD
Light backgroundsTable row hoverSkeleton loading
200
C1DD
#C1DDFB
Secondary backgroundsInput backgroundsDividers
300
91C3
#91C3F8
BordersInactive statesPlaceholder text
400
57A3
#57A3F4
Disabled statesSecondary iconsMuted text
500
2789
#2789F1
Primary brand colorCTAsActive elementsLinks
600
0D6D
#0D6DD3
Hover statesFocus ringsPrimary buttons hover
700
0B57
#0B57A8
Active/pressed statesDark mode accentsSecondary text
800
083E
#083E78
Text on light backgroundsHeadingsStrong borders
900
0528
#05284D
Primary textHigh emphasis contentDark headings
950
0319
#031930
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F7FE;
  --cobalt-100: #DDEDFD;
  --cobalt-200: #C1DDFB;
  --cobalt-300: #91C3F8;
  --cobalt-400: #57A3F4;
  --cobalt-500: #2789F1;
  --cobalt-600: #0D6DD3;
  --cobalt-700: #0B57A8;
  --cobalt-800: #083E78;
  --cobalt-900: #05284D;
  --cobalt-950: #031930;
}
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