Cobalt

#1357A0

Blue

Color Codes

All color formats for development

HEX
#1357A0
RGB
rgb(19, 87, 160)
HSL
hsl(211, 79%, 35%)
OKLCH
oklch(0.458 0.135 254.4)
CMYK
cmyk(88%, 46%, 0%, 37%)

Accessibility

WCAG contrast compliance

On White Background

7.24:1

AA AAA

On Black Background

2.90:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F7
100
#DFED
200
#C4DD
300
#96C3
400
#5FA3
500
#3289
600
#186D
700
#1357
800
#0D3E
900
#0928
950
#0519

Shades

Darker variations

1#114E90
2#0F4680
3#0D3D70
4#0B3460
5#092B50
6#072340
7#061A30
8#041120
9#020910

Tints

Lighter variations

1#1667BD
2#1A77DB
3#2F88E7
4#4D99EA
5#6BAAEE
6#88BBF1
7#A6CCF5
8#C4DDF8
9#E1EEFC

Tones

Muted variations

1#1A5799
2#215792
3#28588B
4#2F5884
5#36587D
6#3D5875
7#44596E
8#4B5967
9#525960

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F7
#F1F7FD
BackgroundsSubtle highlightsCard backgrounds
100
DFED
#DFEDFB
Light backgroundsTable row hoverSkeleton loading
200
C4DD
#C4DDF8
Secondary backgroundsInput backgroundsDividers
300
96C3
#96C3F3
BordersInactive statesPlaceholder text
400
5FA3
#5FA3EC
Disabled statesSecondary iconsMuted text
500
3289
#3289E7
Primary brand colorCTAsActive elementsLinks
600
186D
#186DC9
Hover statesFocus ringsPrimary buttons hover
700
1357
#1357A0
Active/pressed statesDark mode accentsSecondary text
800
0D3E
#0D3E72
Text on light backgroundsHeadingsStrong borders
900
0928
#092849
Primary textHigh emphasis contentDark headings
950
0519
#05192E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F7FD;
  --cobalt-100: #DFEDFB;
  --cobalt-200: #C4DDF8;
  --cobalt-300: #96C3F3;
  --cobalt-400: #5FA3EC;
  --cobalt-500: #3289E7;
  --cobalt-600: #186DC9;
  --cobalt-700: #1357A0;
  --cobalt-800: #0D3E72;
  --cobalt-900: #092849;
  --cobalt-950: #05192E;
}
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