Cobalt

#0D1FA5

Blue

Color Codes

All color formats for development

HEX
#0D1FA5
RGB
rgb(13, 31, 165)
HSL
hsl(233, 85%, 35%)
OKLCH
oklch(0.355 0.207 266)
CMYK
cmyk(92%, 81%, 0%, 35%)

Accessibility

WCAG contrast compliance

On White Background

11.96:1

AA AAA

On Black Background

1.76:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F2
100
#DEE2
200
#C2C8
300
#929E
400
#5A6C
500
#2B41
600
#1127
700
#0D1F
800
#0A16
900
#060E
950
#0409

Shades

Darker variations

1#0C1C95
2#0B1984
3#091674
4#081363
5#071053
6#050C42
7#040932
8#030621
9#010311

Tints

Lighter variations

1#1025C4
2#122BE2
3#283FEE
4#475BF0
5#6676F3
6#8491F5
7#A3ADF8
8#C2C8FA
9#E0E4FD

Tones

Muted variations

1#15259E
2#1D2B96
3#24318E
4#2C3687
5#333C7F
6#3B4278
7#424870
8#4A4E68
9#525361

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F2
#F1F2FE
BackgroundsSubtle highlightsCard backgrounds
100
DEE2
#DEE2FC
Light backgroundsTable row hoverSkeleton loading
200
C2C8
#C2C8FA
Secondary backgroundsInput backgroundsDividers
300
929E
#929EF6
BordersInactive statesPlaceholder text
400
5A6C
#5A6CF2
Disabled statesSecondary iconsMuted text
500
2B41
#2B41EE
Primary brand colorCTAsActive elementsLinks
600
1127
#1127D0
Hover statesFocus ringsPrimary buttons hover
700
0D1F
#0D1FA5
Active/pressed statesDark mode accentsSecondary text
800
0A16
#0A1676
Text on light backgroundsHeadingsStrong borders
900
060E
#060E4B
Primary textHigh emphasis contentDark headings
950
0409
#04092F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F2FE;
  --cobalt-100: #DEE2FC;
  --cobalt-200: #C2C8FA;
  --cobalt-300: #929EF6;
  --cobalt-400: #5A6CF2;
  --cobalt-500: #2B41EE;
  --cobalt-600: #1127D0;
  --cobalt-700: #0D1FA5;
  --cobalt-800: #0A1676;
  --cobalt-900: #060E4B;
  --cobalt-950: #04092F;
}
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