Cobalt

#0D33A5

Blue

Color Codes

All color formats for development

HEX
#0D33A5
RGB
rgb(13, 51, 165)
HSL
hsl(225, 85%, 35%)
OKLCH
oklch(0.386 0.187 264.4)
CMYK
cmyk(92%, 69%, 0%, 35%)

Accessibility

WCAG contrast compliance

On White Background

10.32:1

AA AAA

On Black Background

2.03:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F4
100
#DEE6
200
#C2D0
300
#92AB
400
#5A80
500
#2B5B
600
#1141
700
#0D33
800
#0A25
900
#0617
950
#040F

Shades

Darker variations

1#0C2E95
2#0B2984
3#092474
4#081F63
5#071A53
6#051542
7#040F32
8#030A21
9#010511

Tints

Lighter variations

1#103DC4
2#1246E2
3#285AEE
4#4771F0
5#6689F3
6#84A1F5
7#A3B8F8
8#C2D0FA
9#E0E7FD

Tones

Muted variations

1#15379E
2#1D3B96
3#243F8E
4#2C4287
5#33467F
6#3B4A78
7#424E70
8#4A5268
9#525561

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F4
#F1F4FE
BackgroundsSubtle highlightsCard backgrounds
100
DEE6
#DEE6FC
Light backgroundsTable row hoverSkeleton loading
200
C2D0
#C2D0FA
Secondary backgroundsInput backgroundsDividers
300
92AB
#92ABF6
BordersInactive statesPlaceholder text
400
5A80
#5A80F2
Disabled statesSecondary iconsMuted text
500
2B5B
#2B5BEE
Primary brand colorCTAsActive elementsLinks
600
1141
#1141D0
Hover statesFocus ringsPrimary buttons hover
700
0D33
#0D33A5
Active/pressed statesDark mode accentsSecondary text
800
0A25
#0A2576
Text on light backgroundsHeadingsStrong borders
900
0617
#06174B
Primary textHigh emphasis contentDark headings
950
040F
#040F2F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F4FE;
  --cobalt-100: #DEE6FC;
  --cobalt-200: #C2D0FA;
  --cobalt-300: #92ABF6;
  --cobalt-400: #5A80F2;
  --cobalt-500: #2B5BEE;
  --cobalt-600: #1141D0;
  --cobalt-700: #0D33A5;
  --cobalt-800: #0A2576;
  --cobalt-900: #06174B;
  --cobalt-950: #040F2F;
}
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