Cobalt

#2431BC

Blue

Color Codes

All color formats for development

HEX
#2431BC
RGB
rgb(36, 49, 188)
HSL
hsl(235, 68%, 44%)
OKLCH
oklch(0.415 0.212 269.1)
CMYK
cmyk(81%, 74%, 0%, 26%)

Accessibility

WCAG contrast compliance

On White Background

9.37:1

AA AAA

On Black Background

2.24:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F3
100
#E1E3
200
#C7CB
300
#9CA3
400
#6973
500
#3E4B
600
#2431
700
#1D27
800
#141C
900
#0D12
950
#080B

Shades

Darker variations

1#202CAA
2#1D2797
3#192284
4#161D71
5#12185E
6#0E134B
7#0B0F39
8#070A26
9#040513

Tints

Lighter variations

1#2837D4
2#3F4CDA
3#5762DF
4#6F79E4
5#878FE8
6#9FA6ED
7#B7BCF1
8#CFD2F6
9#E7E9FA

Tones

Muted variations

1#2C37B5
2#333DAD
3#3B44A6
4#424A9E
5#4A5096
6#52578F
7#595D87
8#61637F
9#696A78

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F3
#F2F3FD
BackgroundsSubtle highlightsCard backgrounds
100
E1E3
#E1E3F9
Light backgroundsTable row hoverSkeleton loading
200
C7CB
#C7CBF4
Secondary backgroundsInput backgroundsDividers
300
9CA3
#9CA3EC
BordersInactive statesPlaceholder text
400
6973
#6973E2
Disabled statesSecondary iconsMuted text
500
3E4B
#3E4BDA
Primary brand colorCTAsActive elementsLinks
600
2431
#2431BC
Hover statesFocus ringsPrimary buttons hover
700
1D27
#1D2796
Active/pressed statesDark mode accentsSecondary text
800
141C
#141C6B
Text on light backgroundsHeadingsStrong borders
900
0D12
#0D1245
Primary textHigh emphasis contentDark headings
950
080B
#080B2B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F3FD;
  --cobalt-100: #E1E3F9;
  --cobalt-200: #C7CBF4;
  --cobalt-300: #9CA3EC;
  --cobalt-400: #6973E2;
  --cobalt-500: #3E4BDA;
  --cobalt-600: #2431BC;
  --cobalt-700: #1D2796;
  --cobalt-800: #141C6B;
  --cobalt-900: #0D1245;
  --cobalt-950: #080B2B;
}
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