Cobalt

#3030B0

Blue

Color Codes

All color formats for development

HEX
#3030B0
RGB
rgb(48, 48, 176)
HSL
hsl(240, 57%, 44%)
OKLCH
oklch(0.407 0.195 273.5)
CMYK
cmyk(73%, 73%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

9.65:1

AA AAA

On Black Background

2.18:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F3
100
#E3E3
200
#CBCB
300
#A3A3
400
#7373
500
#4B4B
600
#3030
700
#2626
800
#1B1B
900
#1212
950
#0B0B

Shades

Darker variations

1#2B2B9F
2#27278D
3#22227B
4#1D1D6A
5#181858
6#131346
7#0E0E35
8#0A0A23
9#050512

Tints

Lighter variations

1#3636C7
2#4C4CCE
3#6262D4
4#7878DA
5#8F8FE0
6#A5A5E6
7#BCBCED
8#D2D2F3
9#E9E9F9

Tones

Muted variations

1#3737AA
2#3D3DA3
3#43439D
4#4A4A97
5#505090
6#57578A
7#5D5D83
8#63637D
9#6A6A77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F3
#F3F3FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E3
#E3E3F7
Light backgroundsTable row hoverSkeleton loading
200
CBCB
#CBCBF1
Secondary backgroundsInput backgroundsDividers
300
A3A3
#A3A3E6
BordersInactive statesPlaceholder text
400
7373
#7373D9
Disabled statesSecondary iconsMuted text
500
4B4B
#4B4BCE
Primary brand colorCTAsActive elementsLinks
600
3030
#3030B0
Hover statesFocus ringsPrimary buttons hover
700
2626
#26268C
Active/pressed statesDark mode accentsSecondary text
800
1B1B
#1B1B64
Text on light backgroundsHeadingsStrong borders
900
1212
#121240
Primary textHigh emphasis contentDark headings
950
0B0B
#0B0B28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F3FC;
  --cobalt-100: #E3E3F7;
  --cobalt-200: #CBCBF1;
  --cobalt-300: #A3A3E6;
  --cobalt-400: #7373D9;
  --cobalt-500: #4B4BCE;
  --cobalt-600: #3030B0;
  --cobalt-700: #26268C;
  --cobalt-800: #1B1B64;
  --cobalt-900: #121240;
  --cobalt-950: #0B0B28;
}
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