Cobalt

#2F18C9

Blue

Color Codes

All color formats for development

HEX
#2F18C9
RGB
rgb(47, 24, 201)
HSL
hsl(248, 79%, 44%)
OKLCH
oklch(0.407 0.243 272.9)
CMYK
cmyk(77%, 88%, 0%, 21%)

Accessibility

WCAG contrast compliance

On White Background

10.02:1

AA AAA

On Black Background

2.09:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F1
100
#E3DF
200
#CBC4
300
#A296
400
#725F
500
#4A32
600
#2F18
700
#2613
800
#1B0D
900
#1109
950
#0B05

Shades

Darker variations

1#2A15B5
2#2613A1
3#21108D
4#1C0E79
5#180C64
6#130950
7#0E073C
8#090528
9#050214

Tints

Lighter variations

1#351BE2
2#4B33E7
3#614CEA
4#7866ED
5#8E7FF0
6#A599F3
7#BBB2F6
8#D2CCF9
9#E8E5FC

Tones

Muted variations

1#3620C0
2#3C29B7
3#4332AE
4#493BA5
5#50449D
6#564D94
7#5D568B
8#635E82
9#6A6779

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F1
#F3F1FD
BackgroundsSubtle highlightsCard backgrounds
100
E3DF
#E3DFFB
Light backgroundsTable row hoverSkeleton loading
200
CBC4
#CBC4F8
Secondary backgroundsInput backgroundsDividers
300
A296
#A296F3
BordersInactive statesPlaceholder text
400
725F
#725FEC
Disabled statesSecondary iconsMuted text
500
4A32
#4A32E7
Primary brand colorCTAsActive elementsLinks
600
2F18
#2F18C9
Hover statesFocus ringsPrimary buttons hover
700
2613
#2613A0
Active/pressed statesDark mode accentsSecondary text
800
1B0D
#1B0D72
Text on light backgroundsHeadingsStrong borders
900
1109
#110949
Primary textHigh emphasis contentDark headings
950
0B05
#0B052E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F1FD;
  --cobalt-100: #E3DFFB;
  --cobalt-200: #CBC4F8;
  --cobalt-300: #A296F3;
  --cobalt-400: #725FEC;
  --cobalt-500: #4A32E7;
  --cobalt-600: #2F18C9;
  --cobalt-700: #2613A0;
  --cobalt-800: #1B0D72;
  --cobalt-900: #110949;
  --cobalt-950: #0B052E;
}
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