Cobalt

#2733B9

Blue

Color Codes

All color formats for development

HEX
#2733B9
RGB
rgb(39, 51, 185)
HSL
hsl(235, 65%, 44%)
OKLCH
oklch(0.416 0.206 269.8)
CMYK
cmyk(79%, 72%, 0%, 27%)

Accessibility

WCAG contrast compliance

On White Background

9.29:1

AA AAA

On Black Background

2.26:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F3
100
#E2E3
200
#C8CC
300
#9EA5
400
#6C75
500
#424E
600
#2733
700
#1F29
800
#161D
900
#0E13
950
#090C

Shades

Darker variations

1#232EA7
2#1F2994
3#1B2482
4#181F6F
5#141A5D
6#10154A
7#0C0F38
8#080A25
9#040513

Tints

Lighter variations

1#2C3AD1
2#434FD7
3#5A65DC
4#727BE1
5#8991E6
6#A1A7EB
7#B8BDF0
8#D0D3F5
9#E7E9FA

Tones

Muted variations

1#2F3AB2
2#3640AB
3#3D46A3
4#444C9C
5#4C5295
6#53588D
7#5A5E86
8#62647F
9#696A77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F3
#F2F3FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E3
#E2E3F9
Light backgroundsTable row hoverSkeleton loading
200
C8CC
#C8CCF3
Secondary backgroundsInput backgroundsDividers
300
9EA5
#9EA5EA
BordersInactive statesPlaceholder text
400
6C75
#6C75E0
Disabled statesSecondary iconsMuted text
500
424E
#424ED7
Primary brand colorCTAsActive elementsLinks
600
2733
#2733B9
Hover statesFocus ringsPrimary buttons hover
700
1F29
#1F2993
Active/pressed statesDark mode accentsSecondary text
800
161D
#161D69
Text on light backgroundsHeadingsStrong borders
900
0E13
#0E1343
Primary textHigh emphasis contentDark headings
950
090C
#090C2A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F3FC;
  --cobalt-100: #E2E3F9;
  --cobalt-200: #C8CCF3;
  --cobalt-300: #9EA5EA;
  --cobalt-400: #6C75E0;
  --cobalt-500: #424ED7;
  --cobalt-600: #2733B9;
  --cobalt-700: #1F2993;
  --cobalt-800: #161D69;
  --cobalt-900: #0E1343;
  --cobalt-950: #090C2A;
}
Generate More ShadesCreate PaletteConvert Color