Cobalt

#0D40A5

Blue

Color Codes

All color formats for development

HEX
#0D40A5
RGB
rgb(13, 64, 165)
HSL
hsl(220, 85%, 35%)
OKLCH
oklch(0.411 0.171 262.1)
CMYK
cmyk(92%, 61%, 0%, 35%)

Accessibility

WCAG contrast compliance

On White Background

9.16:1

AA AAA

On Black Background

2.29:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F5
100
#DEE8
200
#C2D4
300
#92B4
400
#5A8C
500
#2B6C
600
#1150
700
#0D40
800
#0A2E
900
#061D
950
#0412

Shades

Darker variations

1#0C3A95
2#0B3384
3#092D74
4#082663
5#072053
6#051A42
7#041332
8#030D21
9#010611

Tints

Lighter variations

1#104CC4
2#1258E2
3#286AEE
4#477FF0
5#6695F3
6#84AAF5
7#A3BFF8
8#C2D4FA
9#E0EAFD

Tones

Muted variations

1#15429E
2#1D4596
3#24488E
4#2C4A87
5#334D7F
6#3B4F78
7#425270
8#4A5468
9#525761

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F5
#F1F5FE
BackgroundsSubtle highlightsCard backgrounds
100
DEE8
#DEE8FC
Light backgroundsTable row hoverSkeleton loading
200
C2D4
#C2D4FA
Secondary backgroundsInput backgroundsDividers
300
92B4
#92B4F6
BordersInactive statesPlaceholder text
400
5A8C
#5A8CF2
Disabled statesSecondary iconsMuted text
500
2B6C
#2B6CEE
Primary brand colorCTAsActive elementsLinks
600
1150
#1150D0
Hover statesFocus ringsPrimary buttons hover
700
0D40
#0D40A5
Active/pressed statesDark mode accentsSecondary text
800
0A2E
#0A2E76
Text on light backgroundsHeadingsStrong borders
900
061D
#061D4B
Primary textHigh emphasis contentDark headings
950
0412
#04122F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F5FE;
  --cobalt-100: #DEE8FC;
  --cobalt-200: #C2D4FA;
  --cobalt-300: #92B4F6;
  --cobalt-400: #5A8CF2;
  --cobalt-500: #2B6CEE;
  --cobalt-600: #1150D0;
  --cobalt-700: #0D40A5;
  --cobalt-800: #0A2E76;
  --cobalt-900: #061D4B;
  --cobalt-950: #04122F;
}
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