Cobalt

#313CAF

Blue

Color Codes

All color formats for development

HEX
#313CAF
RGB
rgb(49, 60, 175)
HSL
hsl(235, 56%, 44%)
OKLCH
oklch(0.426 0.181 271.9)
CMYK
cmyk(72%, 66%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

8.76:1

AA AAA

On Black Background

2.40:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F4
100
#E3E5
200
#CBCE
300
#A4A9
400
#747C
500
#4C57
600
#313C
700
#2730
800
#1C22
900
#1216
950
#0B0E

Shades

Darker variations

1#2C369E
2#27308C
3#232A7B
4#1E2469
5#191E58
6#141846
7#0F1235
8#0A0C23
9#050612

Tints

Lighter variations

1#3843C5
2#4D57CD
3#636CD3
4#7981D9
5#9096E0
6#A6ABE6
7#BCC0EC
8#D2D5F2
9#E9EAF9

Tones

Muted variations

1#3841A9
2#3E46A2
3#444C9C
4#4B5196
5#515690
6#575B89
7#5D6083
8#64667D
9#6A6B76

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F4
#F3F4FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E5
#E3E5F7
Light backgroundsTable row hoverSkeleton loading
200
CBCE
#CBCEF0
Secondary backgroundsInput backgroundsDividers
300
A4A9
#A4A9E5
BordersInactive statesPlaceholder text
400
747C
#747CD8
Disabled statesSecondary iconsMuted text
500
4C57
#4C57CD
Primary brand colorCTAsActive elementsLinks
600
313C
#313CAF
Hover statesFocus ringsPrimary buttons hover
700
2730
#27308B
Active/pressed statesDark mode accentsSecondary text
800
1C22
#1C2263
Text on light backgroundsHeadingsStrong borders
900
1216
#121640
Primary textHigh emphasis contentDark headings
950
0B0E
#0B0E28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FC;
  --cobalt-100: #E3E5F7;
  --cobalt-200: #CBCEF0;
  --cobalt-300: #A4A9E5;
  --cobalt-400: #747CD8;
  --cobalt-500: #4C57CD;
  --cobalt-600: #313CAF;
  --cobalt-700: #27308B;
  --cobalt-800: #1C2263;
  --cobalt-900: #121640;
  --cobalt-950: #0B0E28;
}
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