Cobalt

#2A3AB7

Blue

Color Codes

All color formats for development

HEX
#2A3AB7
RGB
rgb(42, 58, 183)
HSL
hsl(233, 63%, 44%)
OKLCH
oklch(0.426 0.195 269.8)
CMYK
cmyk(77%, 68%, 0%, 28%)

Accessibility

WCAG contrast compliance

On White Background

8.80:1

AA AAA

On Black Background

2.39:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F4
100
#E2E5
200
#C9CE
300
#9FA8
400
#6E7B
500
#4455
600
#2A3A
700
#212E
800
#1821
900
#0F15
950
#090D

Shades

Darker variations

1#2534A5
2#212E92
3#1D2980
4#19236E
5#151D5B
6#111749
7#0C1137
8#080C25
9#040612

Tints

Lighter variations

1#2F41CE
2#4556D5
3#5C6BDA
4#7380DF
5#8B95E5
6#A2AAEA
7#B9BFEF
8#D0D5F4
9#E8EAFA

Tones

Muted variations

1#313FB0
2#3845A9
3#3F4AA2
4#46509B
5#4D5594
6#545B8C
7#5B6085
8#62657E
9#696B77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F4
#F3F4FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E5
#E2E5F8
Light backgroundsTable row hoverSkeleton loading
200
C9CE
#C9CEF3
Secondary backgroundsInput backgroundsDividers
300
9FA8
#9FA8E9
BordersInactive statesPlaceholder text
400
6E7B
#6E7BDE
Disabled statesSecondary iconsMuted text
500
4455
#4455D5
Primary brand colorCTAsActive elementsLinks
600
2A3A
#2A3AB7
Hover statesFocus ringsPrimary buttons hover
700
212E
#212E91
Active/pressed statesDark mode accentsSecondary text
800
1821
#182168
Text on light backgroundsHeadingsStrong borders
900
0F15
#0F1543
Primary textHigh emphasis contentDark headings
950
090D
#090D2A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FC;
  --cobalt-100: #E2E5F8;
  --cobalt-200: #C9CEF3;
  --cobalt-300: #9FA8E9;
  --cobalt-400: #6E7BDE;
  --cobalt-500: #4455D5;
  --cobalt-600: #2A3AB7;
  --cobalt-700: #212E91;
  --cobalt-800: #182168;
  --cobalt-900: #0F1543;
  --cobalt-950: #090D2A;
}
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