Cobalt

#1157A2

Blue

Color Codes

All color formats for development

HEX
#1157A2
RGB
rgb(17, 87, 162)
HSL
hsl(211, 81%, 35%)
OKLCH
oklch(0.459 0.138 254.6)
CMYK
cmyk(90%, 46%, 0%, 36%)

Accessibility

WCAG contrast compliance

On White Background

7.22:1

AA AAA

On Black Background

2.91:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F7
100
#DFED
200
#C3DD
300
#95C3
400
#5DA3
500
#2F89
600
#156D
700
#1157
800
#0C3E
900
#0828
950
#0519

Shades

Darker variations

1#0F4E91
2#0E4581
3#0C3D71
4#0A3461
5#082B51
6#072341
7#051A30
8#031120
9#020910

Tints

Lighter variations

1#1467C0
2#1777DE
3#2D88E9
4#4B99EC
5#69AAEF
6#87BBF2
7#A5CCF6
8#C3DDF9
9#E1EEFC

Tones

Muted variations

1#18579A
2#1F5793
3#27588C
4#2E5885
5#35587D
6#3C5876
7#44596F
8#4B5968
9#525960

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F7
#F1F7FE
BackgroundsSubtle highlightsCard backgrounds
100
DFED
#DFEDFC
Light backgroundsTable row hoverSkeleton loading
200
C3DD
#C3DDF9
Secondary backgroundsInput backgroundsDividers
300
95C3
#95C3F4
BordersInactive statesPlaceholder text
400
5DA3
#5DA3EE
Disabled statesSecondary iconsMuted text
500
2F89
#2F89E9
Primary brand colorCTAsActive elementsLinks
600
156D
#156DCB
Hover statesFocus ringsPrimary buttons hover
700
1157
#1157A2
Active/pressed statesDark mode accentsSecondary text
800
0C3E
#0C3E73
Text on light backgroundsHeadingsStrong borders
900
0828
#08284A
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: #F1F7FE;
  --cobalt-100: #DFEDFC;
  --cobalt-200: #C3DDF9;
  --cobalt-300: #95C3F4;
  --cobalt-400: #5DA3EE;
  --cobalt-500: #2F89E9;
  --cobalt-600: #156DCB;
  --cobalt-700: #1157A2;
  --cobalt-800: #0C3E73;
  --cobalt-900: #08284A;
  --cobalt-950: #05192E;
}
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